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问题 选择题

甲、乙两车相向运动，碰撞后连成一体并沿甲车的原方向运动，由此可判断       

A．乙车的质量比甲车的小

B．乙车的速度比甲车的小

C．乙车的动量比甲车的小

D．乙对甲的作用力小于甲对乙的作用力

答案

答案：C

阅读理解

There are fifty students in our class. There are twenty-four boys and twenty-six girls. Some students live near the school, and some others live far from school. About half of the students usually come to school by bike. They often get to school at a quarter to seven. About fifteen students often come to school by bus. They often get to school very early, too. Another ten students come to school on foot. Their homes are near the school, but they are often late for school, because they get up late.

小题1:________ live near the school.

A．Some of the students

B．Half of the students

C．No students

D．All the students小题2: ________ students come to school by bike.

A．Twenty-five

B．Twenty-four

C．Twenty-three

D．Fifty小题3:Ten of the students ________.

A．come to school by bike

B．come to school late

C．come to school very early

D．live in the school小题4: Some students get to school by bike at _______.

A．7:35

B．7:30

C．6:45

D．6:30小题5:________ students come to school on foot.

A．Thirty

B．Twenty

C．Thirty-eight

D．Ten
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单项选择题

具有“健脾和胃，消食止泻”功效的方剂为

A．保和丸
B．健脾丸
C．枳实消痞丸
D．三仁汤
E．平胃散
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