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问题 填空题

推门时，推力距门轴的远近不同，力的作用效果______（填“相同“或“不相同“）．这表明力的作用效果跟力的______有关，除此以外，力的作用效果还与力的______和______有关．

答案

推门时，推力距门轴的远近不同，作用点不同，力的作用效果不同，除此之外，力的作用效果还与力的大小和方向有关．

故答案为：不相同；作用点；大小；方向．

连词成句

连词成句。

1. use, a, computer, when, I, six years old, could, be

____________________________________________

2. be good at, he, playing basketball

____________________________________________

3. just now, were, doing, what, you

____________________________________________

4. a beautiful day, it was

____________________________________________

5. could, get dressed, on your own, you, three years old, you, when, were

____________________________________________
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选择题

A student in my class said to me, "If I _______ our math teacher, I _______ make math learning easier

and more interesting instead of giving the kids much homework to do every day." [ ]

A. were; would

B. am; will

C. was; could

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