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【多选题】
专业技术岗位包括( )。A.
高级岗位
B.
中级岗位
C.
初级岗位
D.
低级岗位
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举一反三
【单选题】'Did you go to Belgium last year when you were on a business trip to Europe?' 'No, ______ there'
A.
I have never gone
B.
I never did
C.
I've never been
D.
I never was
【单选题】____ you _____ to go to the park when you were children?
A.
Did, use
B.
Did, used
C.
Do, used
【简答题】一般闭式软齿面齿轮传动中的主要失效形式是齿根折断和 。
【简答题】When did the boys put up their tent?
【简答题】阅读对话回答问题。 Amy: Where did you go on your holiday? Mike: I went to Harbin. Amy: When did you go there? Mike: I went there last weekend. Amy: What did you do? Mike: We made a snowman, went skating and bo...
【简答题】When did two of the boys wake up?
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