皮皮学，免费搜题
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【单选题】
属于x线化学效应的是A.
穿透作用
B.
电离作用
C.
荧光作用
D.
衍射作用
E.
感光作用
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】如上题中 三相异步电动机 所接电源电压为额定电压的 80% ,则电动机的启动转矩为 ( )
A.
159.66Nm
B.
199.57Nm
C.
239.49Nm
D.
319.31Nm
【单选题】He couldn't _________ his son quit his well-paid job and started his own business.
A.
carve out that
B.
move along what
C.
figure out why
D.
put aside
【单选题】Choset didn‘t begin developing his own snake robots until he started working at Carnegie Mellon. 查看材料
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】18 Choset didn’t begin developing his own snake robots until he started working Carnegie Mellon.
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】He started his own business at 20. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
S+V+O
B.
S+LV+P
C.
S+V
【单选题】Chan started his own business because he thought he could do it well.
A.
Right
B.
Wrong
C.
Doesn't say
【简答题】周武王联合800个部落击败商朝的地点是( )A. 牧野 B.咸阳 C.长平 D.临洮
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