| 显示国家开放大学系统国家开放大学-开放英语4所有答案 |
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If the dumping of waste electrical goods is not stopped, people’s health will suffer.
Unless __________________
, pe
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答案是：正确答案是：the dumping of waste electrical goods is stopped
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If we do not promote renewable energy, the Earth’s natural resources will be used up soon.
Unless _________________
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答案是：正确答案是：we promote renewable energy
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If the government does not ban traffic in the centre of the city, congestion will get worse.
Unless__________________
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答案是：正确答案是：the government bans traffic in the centre of the city
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Well, if you’ve got a problem, you must go round to that supplier. They will sort it out.
选择一项：
a.
recommendation
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答案是：正确答案是：recommendations
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Well, you must come round tomorrow to talk about the supplier.
选择一项：
a.
recommendations
b.
instructions
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答案是：正确答案是：instructions
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You must try that garage. They’re very good.
选择一项：
a.
recommendations
b.
instructions
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答案是：正确答案是：recommendations
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You know, you must do something about your car today. It’s dangerous.
选择一项：
a.
recommendations
b.
instructi
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答案是：正确答案是：instructions
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It seems ____ that no one saw this crisis.
选择一项：
a.
incredible
b.
uncredible
c.
incredable
d.
u
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答案是：credible “可信的”的否定形式要在其前面加前缀in-。因此，此题选A，incredible 最合适，句意为：没有人觉察到这场危机，这好像令人难以置信。
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I shall go to the meeting tomorrow ___ I.m too busy.
选择一项：
a.
if
b.
when
c.
until
d.
unless
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答案是：if “如果”；when “在……时候”； until “直到……”；unless “除非，如果不”。因此，此题选D，unless 最合适，句意为：如果不是太忙，我明天去参加会议。
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The government ___ schools.
选择一项：
a.
supply free books with
b.
supplies free books to
c.
supplies fre
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答案是：supply sth to sb “为某人提供某物”；supply sb with sth “为某人提供某物”。主语是第三人称单数，谓语动词相应地要用第三人称单数形式。Supply的第三人称单数形式为supplies。因此，此题选B，supplies free books to 最合适，句意为：政府向学校免费提供书籍。
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A new __ will be set up in this area so we will have enough electricity in the future.
选择一项：
a.
power station
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答案是：power station “发电厂”。因此，此题选A，power station最合适，句意为：这个地区要建一个新发电站，将来我们会有足够的电力供应。
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There are many ___ in China.
选择一项：
a.
females engineers
b.
females engineer
c.
women engineers
d
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答案是：“女工程师” 复合名词的复数形式是women engineers或female engineers。因此，此题选C， women engineers 最合适，句意为：中国有许多女工程师。
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This rare bird has become __
选择一项：
a.
an endangered specie
b.
endangered species
c.
endangering spec
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答案是：endangering “危害人的”；
endangered “濒临灭绝的”；species““物种” ：单复数同形；an endangered species 濒临灭绝物种。
因此，此题选D， an endangered species最合适，句意为：这种珍禽已经成为濒临灭绝的物种。
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Is $50 equivalent ____ about ￡30?
选择一项：
a.
to
b.
for
c.
with
d.
on
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答案是：be equivalent to “和……相等”。
因此，此题选A， to 最合适，句意为：50美元大约相当于30镑吗？
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Cooking breakfast is ___ job.
选择一项：
a.
daily
b.
an every day
c.
everyday
d.
an everyday
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答案是：daily “每天的/地”；every day 每天，在句子中多用作状语；everyday “每天的”用作形容词。因为job是可数名词，因此其前面需要用不定冠词（＋形容词）来修饰。因此，此题选D， an everyday 最合适，句意为：做早餐是每天的工作。
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I think this sofa is ___ than that one.
选择一项：
a.
expensiver
b.
more costly
c.
cost more
d.
cost
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答案是：expensive “昂贵的”，该形容词比较级为 more expensive；costly “昂贵的”，该形容词比较级为 more costly。因此，此题选B， more costly 最合适，句意为：我认为这个沙发比那个贵。
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Someone over 18 years old is ____ under British law.
选择一项：
a.
adult
b.
grow-up
c.
an adult
d.
g
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答案是：adult “成人”可数名词；grown-ups可数名词“成人”的复数。因此，此题选C， an adult 最合适，句意为：英国法律规定，18岁以上为成人。
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The ____
of a form of energy or power is called generation.
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答案是：正确答案是：production
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We say ____
is a form of energy that can be carried by wires.
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答案是：正确答案是：electricity
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A ____
is a very large animal that lives in the sea.
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答案是：正确答案是：whale
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The ____
is the person, place, or thing that you get something from.
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答案是：正确答案是：source
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A ____
resource is something that is always available.
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答案是：正确答案是：renewable
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Something that is ____
is not common and is therefore valuable.
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答案是：正确答案是：rare
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When someone takes ____
to do something, they carry out particular actions in order to have a particular result.
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答案是：正确答案是：measures
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To ____
a large and important activity means to start it.
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答案是：正确答案是：launch
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A ____
is an animal which lives in the sea and looks like a large fish with pointed mouth.
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答案是：正确答案是：dolphin
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Goods or services that are at a ____
price are less expensive and are likely to be bought.
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答案是：正确答案是：competitive
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I don’t f ____
(完全地) understand why.
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答案是：正确答案是：fully
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It weighs a t ____
(吨) and a half.
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答案是：正确答案是：tonne
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He applied for a job as a teacher, but he was r ________
(拒绝).
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答案是：正确答案是：rejected
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Men, boys and cocks are all m ____
(雄性).
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答案是：正确答案是：males
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The newspaper r _______
(报道) the death of the singer.
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答案是：正确答案是：reported
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3.Do you cook by g____
(天然气) or electricity?
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答案是：正确答案是：gas
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Do you cook by g____
(天然气) or electricity?
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答案是：正确答案是：file
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We keep your records on f ____
(文件) for five years.
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答案是：正确答案是：file
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The man d ____
(潜水) for pearls.
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答案是：正确答案是：dived
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I wanted to leave the office and rest my b____ (头脑).
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答案是：正确答案是：brain
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The long walk gave him a good a_______胃口).
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答案是：正确答案是：appetite
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Dealing with waste is a huge global problem. Unfortunately, many people don’t usually think much about what happens (1)
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答案是：正确答案是 ：
1. 答案应选B。 happen to为固定用法，意思是“临到，发生于”，例如: What has happened to your arm?你的胳膊怎么了？
2. 答案应选A. in the street是固定用法，意思是“在街上”。注意“在街上”偶尔有时也可用on the street，但是on the street还有流浪街头，无家可归之意。
3. 答案应选D。此处需要填入现在分词，做后置定语修饰fridges。
4. 答案应选C。 dispose of为固定短语，意思是“处理掉”。
5. 答案应选D。 此处考察的是与情态动词连用的被动语态，其构成为“情态动词+be+动词的过去分词”，因此只能选择D。
6. 答案应选D。It is likely to do sth 意思是“有可能要做什么”，例如：It’s likely to rain. 有可能要下雨了。注意likely是形容词，意思是“可能的”。
7. 答案应选A。此处是强调句型，即It is … that…，因此只能选A。
8. 答案应选C。根据后面by的提示，可以判断此处需要填入的是过去分词形式，因此只能选C，caused。
9. 答案应选B。根据上下文时态判断(have been suffering…)，此处需要填入现在完成进行时，其构成是have/has been doing，因此只能选B。
10. 答案应选B。根据空格前后词语之间的上下义关系，可以判断后面的gold 和 platinum是两个说明precious metals的例子，因此应该使用介词like.
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When we go to the street market, we always ____
organic vegetables.
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答案是：正确答案是：get
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If he’s too tired to cook, he sometimes ____
a pizza.
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答案是：正确答案是：orders
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When my mum’s not too busy, she ____
my favourite food.
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答案是：正确答案是：cooks
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If I ____
in a hurry, I sometimes ____
a sandwich for lunch.
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答案是：正确答案是：am, make
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If you ____
too much junk food, your skin does not____
very good.
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答案是：正确答案是：eat, look
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When she ____
shopping for clothes, she rarely ____
designer clothes.
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答案是：正确答案是：goes, buys
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I never cook ready-made meals if I _______
time to cook.
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答案是：正确答案是：have
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When parents___________________
their children out to eat, the children usually回答
to eat fast food.
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答案是：正确答案是：take , want
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We must solve the problem.
The problem ________________________
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答案是：正确答案是：must be solved
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We must ban the export of waste electrical goods to other countries.
The export of waste electrical goods to other co
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答案是：正确答案是：must be banned
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You must not dump fridges in the street.
Fridges __________________
in the street.
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答案是：正确答案是：must not be dumped
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We must dispose of waste electrical goods safely.
Waste electrical goods ______________
of safely.
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答案是：正确答案是：must be disposed
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You can adapt local food to make it ‘global’.
Local food _______________
to make it ‘global’.
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答案是：正确答案是：can be adapted
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People can’t buy beer in a fast-food chain.
Beer ________________
in a fast-food chain.
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答案是：正确答案是：can’t be bought
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You can hold children’s birthday parties in McDonald’s.
Children’s birthday parties ________________
in McDonald’s.
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答案是：正确答案是：can be held
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We can buy a franchise from a fast-food chain
A franchise ________________
from a fast-food chain.
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答案是：正确答案是：can be bought
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People can save a lot of time with convenience food.
A lot of time __________
with convenience food.
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答案是：正确答案是：can be saved
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You can’t usually find fast-food restaurants in small villages.
Fast-food restaurants ____ ___________
in small vil
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答案是：正确答案是：can’t usually be found
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Food ____
(to buy) from supermarkets is usually ready-made.
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答案是：正确答案是：bought
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People ____
(to employ) by fast-food chains are often young.
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答案是：正确答案是：employed
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The meals ____
(to produce) by fast food chains are not very good for you.
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答案是：正确答案是：produced
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