皮皮学，免费搜题
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搜题
【单选题】
蜗杆半精加工、精加工一般采用()装夹，利用分度卡盘分线。A.
一夹一顶
B.
两顶尖
C.
专用夹具
D.
四爪卡盘
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】最自然的休息方式
【单选题】He didn't answer me, ________, he asked me another question.
A.
as a result
B.
instead of
C.
instead
D.
therefore
【单选题】Though he didn't answer my questions quickly, the look on his face ___________ that he was satisfied with me.
A.
indicated表明
B.
input
C.
increased
D.
interacted