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问题
单项选择题
动力驱动的轻于空气的航空器是()
A、飞艇
B、气球
C、飞机
D、风筝
答案
参考答案:
A
选择题
— Mum, I think I'm _____ to go back to school.
— But the doctor says you must stay in bed for two more days.
A. enough well
B. well enough
C. so good
D. good enough
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判断题
残联的职能是“代表、服务、 * * ”。
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