4.3 课时作业
Ⅰ.用所给单词的正确形式填空
1．Gun sales are strictly ________ (regulate) by the government.
2．He made a ________ (volunteer) statement to the police.
3．He is ________ (experience) in teaching English.
4．Several ________ (passer－by) saw the accident.
5．The government ________ (relax) import regulations greatly.
6．He sat in the corner, ________ his face with his hand.
7．The ________ development in the area leads to the serious water pollution.
8．He got the prize because of the ________ of his goals in the last month.
9．I have been to the library which has a ________ (collect) of 3,666 books.
10．Much to my ________(relieve), the car was not damaged.
答案：1.regulated 2.voluntary 3.experienced 4.passers－by
5．relaxed 6.covering 7.industrial 8.achievement 9.collection 10.relief
Ⅱ.阅读理解
A
Listening to music can help me focus better. Since I discovered it two years ago, I've used music to get through boring work or to focus creatively. I've found that it can make even the dullest jobs enjoyable and help clear mental blocks to creativity.
I first noticed the good effects of music while playing video games. It was a few days before Christmas and I was playing online video games. My parents had just given me a new MP3, so I decided to listen to music through the headphones while I played. After a few minutes I noticed a great change in my style of play. I was playing
