Unit 3 Section Ⅲ Using language & Writing（课时作业）-【优化探究】2021-2022学年新教材高中英语必修第三册同步导学案（外研版）

Ⅰ.单句语法填空 1．You know, the experiment has been repeated (repeat) three times, with similar results each time. 2．It is the first time that he has been praised (praise) by his coach. 3．Recently the floor of the hall has been mopped (mop) well but the window is still dirty. 4．So far, many parts of the Great Wall have been repaired (repair)． 5．Paper money has been used (use) for about a thousand years. 6．Up to now more than five cities have been struck (strike) by the typhoon. 7．All the measures have been taken (take), so we can do nothing but wait. 8．Much attention has been paid (pay) by Tom to his handwriting since the teacher warned him of it. 9．Since the early 1990s, a lot of clinics have been founded (found) in this country to treat poor people for free. 10．Lots of studies have shown (show) that global warming has already become a very serious problem. Ⅱ.阅读理解 A When I was a child，my father bought me a new toy every other week when he received his pay check. I loved to take the toys apart to learn their basic principles，and then put them back together. Most of the time，the toys still worked，but I clearly remember getting a toy robot that would walk either forwards or backwards.I took the robot apart but when I put it back together, it couldn't walk any more.I figured out what was wrong with it but was not able to fix it.It was especially disappointing because I really liked the robot. By the time I was ten or so，my parents allowed me to play outdoors alone.During the summer，on the junk day，I would check out what people were throwing away.People did not use garbage bags then，so all waste was in metal cans，which made it easy to check out what was in the waste.I took home some equipment，radios，and televisions.I took them apart and learned how they were built. Through learning by myself，I built a telephone. I made my own microphone (扩音器) by taking apart old dry batteries and taking the carbon rods (碳棒) out of them.I then broke the rods into powder and used the carbon