皮皮学，免费搜题
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【判断题】
旋光管每次放入旋光仪中的位置应一致A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】_____, everyone in my class likes our English teacher. [ ]
A.
To be honest
B.
To one's surprise
C.
In honest
【单选题】The job provides me with _____ working hours.
A.
fluent
B.
crucial
C.
flexible
D.
urgent
【简答题】蜗杆传动中 ,蜗杆所受的圆周力与蜗轮所受的圆周力是否相等?
【简答题】根据句意及首字母或汉语提示，写出各句中所缺单词的正确形式。（每空一词，共10分） 小题1:I will （感激）it if you could come to help me . 小题2: The （志愿者）for community service are doing a good job . 小题3:The government provides （可移动的）libraries for tha...
【单选题】_______ in my class has been invited, but they didn't ask me to join them. [ ]
A.
Everyone else
B.
Else everyone
C.
Other everyone
D.
Everyone other
【简答题】蜗杆蜗轮传动 中,蜗杆所受圆周力与蜗轮所受 力大小相等,方向相反;蜗杆所受 的轴向力与蜗轮所受的 力大小相等,方向相反;蜗杆所受径向力与蜗轮所受 力 大小相等,方向相反。
【简答题】____8_____ are two of my criteria in choosing a job. Interest is the best ___9____. I love the hotel business, so I will definitely ____10___. Moreover, __11_____can be attained when the job is what I...
【简答题】Everyone ______ a dictionary in my class.
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