Many men tried to fly like birds. They made wings for themselves, usually of feather and tried to fly (1)______ moving their arms as a bird (2)______ None of them was successful. A bird has a very light body but very strong wing muscles. A man on the contrary has a (3)______ body and not very strong arm muscles. A man will never fly like a bird. His muscles are not (4)______. He can only fly properly in a plane with an engine. There is a kind of plane that doesn.t have an engine. It (5)______ a glider. It.s pulled into the air, rather like (6)______ a kite. If there is a good wind, it can (7)______ into the air and sometimes cover long distances. Some men didn’t find sitting in a glider (8)______. They wanted to glide by (9)______ wings, like the "bird men" of old time. But the wings of the modern "bird men" were different. They were straight and strong. They weren’t (10)______ feathers. 1. A. by B. through C. with D. in 2. A. moves B. does C. has D. looks 3. A. strong B. light C. heavy D. big 4. A. strong enough B. enough strong C. light enough D. hard enough 5. A. is spoken B. is said C. is called D. is named 6. A. fly B. flying C. to fly D. putting 7. A. rise B. raise C. run D. rush 8. A. so excited B. too excited C. exciting enough D. very excited 9. A. being B. doing C. having on D. wearing 10. A. made from B. made into C. made of D. make of
