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【判断题】
当发动机曲轴圆度和圆柱度误差超过0.25mm时，应按规定的修理尺寸进行修磨。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：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】请指出并修改图中句子。
【单选题】A student who becomes addicted to drugs may______.
A.
cheat in the examinations
B.
daydream in the class
C.
drop out of school
D.
lose confidence in himself
【单选题】A lucid dream is like a daydream, in which you can go through fantastic experiences while fully awake.
A.
Y
B.
N
C.
NG
【简答题】翻译: daydream
【单选题】In order to study daydream, researchers ( ).
A.
encourage study subjects to daydream
B.
ask study subjects to make sandwiches
C.
train study subjects to become proficient on certain tasks
D.
help study subjects concentrate on certain tasks