皮皮学，免费搜题
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【单选题】
键连接以上下两面为工作面的是( )。A.
普通平键联接
B.
导向平键联接
C.
半圆键联接
D.
楔键联接
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【简答题】He often went from town to town giving lectures.
【单选题】She has waited for the guest for two hours and reached the ________ of her patience.
A.
limit
B.
top
C.
point
D.
need
【简答题】用方框中适当的词填空。 even if , until , so that , even though , although 1. Say it loudly_______ we can hear you clearly. 2. He didn't go to bed_______ he finished the work. 3. He went on with the work_______ h...
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【单选题】The manager has __________for her to go to the airport to meet an important guest.
A.
asked
B.
sent
C.
called
D.
arranged
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