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【单选题】
缝纫机踏板机构是将A.
连续回转运动转变为往复摆动
B.
连续回转运动转变为往复直线移动
C.
往复直线移动转变为连续回转运动
D.
往复摆动转变为连续回转运动
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反馈参考答案：
举一反三
【单选题】—Let's go to see a comedy! —________． Let’s play tennis．
A.
Let's go
B.
That sounds boring
C.
Yes，we do
D.
You're welcome
【单选题】——It’s a __________day today. Let’s go _________. ——Great. Let’s go.
A.
sun; ride
B.
sunny; riding
C.
cloudy; ride
D.
rain; riding
【单选题】-Let's go and play volleyball. -____. [ ]
A.
Yes, I go.
B.
Thank you.
C.
OK. Let's go
【简答题】选择正确的选项组成句子。 ( ) 1. Let's go to a restaurant ( ) 2. Let's go to the supermarke ( ) 3. Let's go to the cinema ( ) 4. Let's go to the library ( ) 5. Let's go to the park A. to read a...
【单选题】—— Let’s go swimming. —— ________________
A.
Yes, please
B.
Great
C.
That’s all right
D.
Thank you. Let’s go
【简答题】Let's go Dutch．
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