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【单选题】
达,芬奇、米开朗基罗等名人在( )诞生。p326A.
米兰
B.
威尼斯
C.
佛罗伦萨
D.
罗马
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反馈参考答案：
举一反三
【单选题】一对标准直齿园柱齿轮传动,模数为 2mm ,齿数分别为 20 、 30 ,则两齿轮传动的中心距为 。
A.
100 mm
B.
200 mm
C.
50 mm
D.
45mm
【简答题】( ) 4. Running, swimming and playing football can help you to do better at school.
【判断题】( ) 4. Running, swimming and playing football can help you to do better at school.
A.
正确
B.
错误
【单选题】Swimming and playing basketball are his favorite leisure activities. (就划线部分提问)
A.
What are his favorite leisure activities?
B.
What is his favorite leisure activities?
C.
What are his favorite leisure activity?
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