问题 多选题
关于重力,下列说法不正确的是(  )

A.重力就是地球对物体的吸引力,重力的方向总是和支持面垂直

B.用弹簧测力计或天平都可以直接测出重力的大小

C.重力的大小与运动状态无关,自由落体运动的物体仍然有重力

D.弹簧测力计测物体的拉力就等于物体的重力

答案

ABD

改错题

第一节 短文改错(共10小题;每小题1分,满分10分)

此题要求改正所给短文中的错误。对标题号的每一行做出判断:如无错误,在该行右边的横线上划(√);如有错误(每行只有一个错误),则按下列情况改正:

此行多一个词:把多余的词用斜线划掉,在该行右边横线上写出该词,并也用斜线划掉。

此行缺一个词:在缺词处加一个漏字符号(^),在该行右边横线上写出该加的词。

此行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。

注意:原行没有错的不要改。

Ted liked fishing very much. He always went down                     76.      

to the small river back the factory and tried to catch                            77.     

some fish, but there were very a few there. One summer,                     78.     

he went to the seaside during holidays. “I’ve never fish                        79.     

in the sea before,” he thought, “It will quite different                          80.     

from fishing in the river.” On first day he caught a                             81.     

lot of fish and was very happily. He gave them to the                          82.     

hotel, and they cooked it for all the guests, and they                            83.     

enjoyed them very much. But when Ted have got his bill                     84.     

in the end of the week, Ted saw on it. “For oil to fry                          85.     

fish : 35 pounds.”

单项选择题 配伍题