| 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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Civil war or regional conflicts also cause disruption, driving people out of rural areas.
Civil war or regional confl
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答案是：正确答案是：which drives
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Such changes can alter the social structure, leading people to move.
Such changes can alter the social structure, __
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答案是：正确答案是：which leads
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Improved health brings population growth, causing people to move out of rural areas.
Improved health brings populatio
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答案是：正确答案是：which causes
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This is change on a scale never before experienced, bringing with it considerable challenges and opportunities.
This
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答案是：正确答案是：which brings
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This growth, adding around 60 million people per year to city populations, will be mainly in Southeast Asia and Africa.
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答案是：正确答案是：which adds
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The world’s urban population, increasing at four times the rate of rural populations, will double in the period 1990 - 2
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答案是：正确答案是：which is increasing
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There are now 11 cities housing over 11 million people each.
There are now 11 cities _____ _____
over 11 million
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答案是：正确答案是：which house
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I spent most of my money in the first week and ____ had very little for food at the end of the holiday.
选择一项：
a.
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答案是：正确答案是：consequently
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He is trying to find a new way to __ a living. Which of the following is not correct?
选择一项：
a.
get
b.
earn
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答案是：正确答案是：take
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Several languages are likely to die ____.
选择一项：
a.
out
b.
down
c.
off
d.
of
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答案是：正确答案是：out
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Heat causes the ____ of gas.
选择一项：
a.
growth
b.
increase
c.
expansion
d.
extension
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答案是：正确答案是：expansion
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He is ____ at doing this kind of job.
选择一项：
a.
imefficient
b.
nonefficient
c.
unefficient
d.
in
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答案是：正确答案是：inefficient
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Cycling is a good exercise. ____, it doesn’t pollute the air.
选择一项：
a.
Therefore
b.
Moreover
c.
But
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答案是：正确答案是：Moreover
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He.s hoping for ___ as a doctor.
选择一项：
a.
job
b.
a work
c.
labour
d.
a career
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答案是：正确答案是：a career
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His difficulty in walking ____ a childhood illness.
选择一项：
a.
result in
b.
results in
c.
results from
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答案是：正确答案是：results from
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Speed limits should lead ____ fewer deaths on the roads.
选择一项：
a.
to
b.
off
c.
on
d.
in
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答案是：正确答案是：to
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The hospital is carrying ____ tests to find out what.s wrong with her.
选择一项：
a.
over
b.
out
c.
off
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答案是：carry over “继续存在”；carry out “执行”，“完成”；carry off “对付”，“赢得”；carry away“使忘乎所以”。因此，此题选B，out 最合适。句意为：这家医院正在进行检查，以便查出她到底怎么了。
正确答案是：out
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If something is
, it happens often.
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答案是：正确答案是：frequent
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If there is a
, a large amount of water covers an area.
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答案是：正确答案是：flood
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Something that is
has many different parts, and is therefore often difficult to understand.
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答案是：正确答案是：complex
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The
of a place are the people who live there.
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答案是：正确答案是：inhabitants
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A
is a way of doing something.
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答案是：正确答案是：method
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A
is a planned set of activities that people carry out over a period of time
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答案是：正确答案是：campaign
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A
is a strong wind in a desert area, which carries sand through the air.
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答案是：正确答案是：sandstorm
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A
to a problem is a way of dealing with it so that the difficulty is removed.
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答案是：正确答案是：solution
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If people
, they move from one place to another, often in order to find work for a short time.
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答案是：正确答案是：migrate
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The
of something is the way in which it is made, or built.
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答案是：正确答案是：structure
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She has done a lot of s_____ (社会的) work.
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答案是：正确答案是：social
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Price will be a major f_____(因素) in the success of this new product.
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答案是：正确答案是：factor
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The 11 cities have a t____ (总的) population of 166 million people.
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答案是：正确答案是：total
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Improved health brings population g_____
(增长) in the rural areas.
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答案是：正确答案是：growth
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He should be told the r_____
(结果) of the test.
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答案是：正确答案是：result
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That farm has very rich s___(土壤).
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答案是：正确答案是：soil
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The world economy has expanded five-f ___
(倍) since 1950.
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答案是：正确答案是：fold
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There is still d_____
(需求) for labour in the cities.
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答案是：正确答案是：demand
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These cities h____ (给……提供住处) over 11 million people.
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答案是：正确答案是：house
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People needing wood for f____
(燃料) are cutting down trees.
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答案是：正确答案是：fuel
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