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【单选题】
工作在( )的高度且有可能垂直坠落的即为高处作业。A.
2m及以上
B.
3m及以上
C.
4m及以上
D.
5m以上作业
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】What does the spea ker see in the young man who challenged his paper?
A.
His thirst for knowledge
B.
His eagerness to find a job.
C.
His contempt for authority
D.
His potential for leadership.
【单选题】在Premiere Pro 中，对片断施加Echo特效，那么：（ ）
A.
Echo特效前面所有的特效均做无效处理
B.
Echo特效后面的特效均做无效处理
C.
Echo 特效不会影响片断上施加的其它特效
D.
除 Echo特效以外的特效都无效
【单选题】在 Premiere 中,对片断施加 Echo 特效,那么:
A.
Echo 特效前面所有的特效均做无效处理
B.
Echo 特效后面的特效均做无效处理
C.
Echo 特效不会影响片断上施加的其它特效
D.
除 Echo 特效以外的特效都无效
【单选题】_____a reply he decided to write again.
A.
Not receiving
B.
Receiving
C.
Not having received
D.
Having not received
【单选题】_______ a reply, he decided to write a sixth letter.
A.
Not receiving
B.
Not to received
C.
Not having received
D.
Having not received
【单选题】在 Premiere Pro 中,对片断施加 Echo 特效,那么:
A.
Echo 特效前面所有的特效均做无效处理
B.
Echo 特效后面的特效均做无效处理
C.
Echo 特效不会影响片断上施加的其他特效
D.
除 Echo 特效以外的特效都无效
【单选题】____ a reply, he decided to write again.
A.
Not receiving
B.
Receiving not
C.
Not having received
【单选题】a reply ， he decided to writeagain ．
A.
． Not receiving
B.
． Receiving not
C.
． Not having received
D.
． Havingnot received
【单选题】He promised to give me a reply, but he didn’t.
A.
他说好会一直给我回信的，但他却反悔了。
B.
他向我保证肯定会有回音，可是却没有。
C.
他答应给我回复的，但却没有。
【简答题】___ a reply, he decided towrite again.A. Not receiving B. Not having received C. Receiving not D. Having not received
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