题目内容
______
A. It is made of iron.
B. It is made of steel
C. It is made of plastic.
D. It is made of paperboard.
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______
A. Birds and bats may fly into the turning blades.
Birds and bats can't stand the high wind speed.
C. Wind turbines can produce electricity.
D. Wind turbines can release poisonous gas.
______
A. Cross the tips.
B. Stop leaning forward.
C. Point the tips together.
D. Move to a gentle place.
______
A. Confused but fearless.
B. Satisfied but nervous.
C. Pleased and proud.
D. Excited and satisfied.
______
A. She is honest and hardworking.
B. She is very competent for the job.
C. She likes her job very much.
D. She is hardworking but incompetent.
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