课 后 测 试 题
Ⅰ。Choose the best answer （选择最佳的答案）：
1. Benny is going to buy ________.
A. some electricities B. an electricity C. a packet of electricity D. two packets of electricities
2. Some rich men like to ______ their treasure under the ground in order not to let others know it.
A. buried B. bury C. are buried D. to be buried
3. Everyone must be ________ electricity.
A. care to B. careful to C. careful with D. careful for
4. We can ________ forms of energy that we can see, hear or feel.
A. change them to B. change it to C. change them into D. change it into
5. Don?t forget ________ the light before you leave the house.
A. to turn on B. to turn off C. turning on D. turning off
6. He?s ________ electrician, he can deal with the ________ problem.
A. a, electrical B. an, electrical C. the electrical D. the, electric
7. These ________ thick wires that are buried under the street.
A. connect to B. connect with C. are connected D. are connected to
8. Jane saw a bank robbery ________.
A. on her way to there B. on her way back home C. in her way home D. at the way to home
9. Anyone can answer that question, ________?
A. can he B. can?t they C. can?t he D. doesn?t he
10. —Can I leave this door open at night? —You ________ better not.
A. should B. would