1. This river is so big that it is impossible to build a _______ under it without modern technology.
A. canal
B. tunnel
C. channel
D. cable
2. The _______ is nearly dead , so I can not start the car again.
A. bean
B. beam
C. bake
D. battery
3. When making modern cameras , people began to _______ plastics for metal.
A. surround
B. substance
C. stretch
D. substitute
4. With the help of the government , a large number of people ---_______ after the flood in 1991.
A. survived
B. suspended
C. suffered
D. subfected
5. He always has a lot of _______ ideas in his mind , and sometimes we do not even know what he is thinking about.
A. novel
B. spoil
C. acceptable
D. additional
参考答案: 1.B 2.D 3.D 4.A 5.A
责任编辑:小草