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【简答题】
()的作用方向恒定,与运动方向无关。
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【简答题】动词填空。 1. We should try our best (help) others. 2. Why not (go)the Great Wall with us? 3. The boy is crying. Can you make him (laugh)? 4. I hope (become) a famous singer. 5. He was late for school beca...
【单选题】You can go to Nancy. She is always . [     ]
A.
ready to h elp others
B.
ready to help the others
C.
ready for help others D .ready for help the others
【单选题】He is a new comer. There is no one _____, so let’s go and help him, shall we?
A.
who to turn to
B.
for him to turn
C.
for whom to turn
D.
he can turn to
【单选题】下列属于脉宽调制信号的是( ).
A.
发动机冷却液温度
B.
节气门位置传感器
C.
排气净化电磁阀
【判断题】假定变量 x与y的相关系数是0.8,交量m与n的相关系数为-0.9,则x与y 的 相关密切程度高。 ( )
A.
正确
B.
错误
【简答题】看图,试着完成下列句子。 1. go to ? 2. go to ? 3. go to ? 4. go to ?
【简答题】A.They help people save time on housework. B.They go into the garbage heap. C.They are harmful to the environment. D.They make products more expensive.
【单选题】I would ______ to help my sister.
A.
go to great effort
B.
go to great might
C.
go to great strengths
D.
go to great lengths
【单选题】When a friend gave Tom a ticket he ________ to the game.
A.
couldn’t help but go
B.
couldn’t help but going
C.
can’t help but to go
D.
can’t help but going
【简答题】A.Take a history exam B.Go to an art exhibit C.Meet some classmates D.Help the man with his painting
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