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【单选题】
胶印印刷时，油墨的表面张力应( )润版液的表面张力。A.
大于
B.
低于
C.
等于
D.
无关于
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皮皮学刷刷变学霸
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【简答题】Dear Mike, Can you take(带去) these things to my brother, Tom? His black hat, clock, Chinese book, photo and ID card. His black hat is on the bed. His clock is on the table. (A) His photo is on the tabl...
【单选题】关于激光器的品质因子 , 下列说法不正确的是 :
A.
它是描述谐振腔质量的参数
B.
它与谐振腔损耗成反比
C.
它反映谐振腔储能性质的好坏
D.
它与腔内光子寿命成反比
【单选题】Tom is ______busy ______ take any activities these days.
A.
so; that
B.
so; to
C.
too; to
D.
too; that
【单选题】Please ______ these things ______ Tom. [ ]
A.
takes; to
B.
take; to
C.
take ; away
D.
bring ; for
【单选题】Tom, ___________ these pills three ___________ a day. [ ]
A.
take / time
B.
take / times
C.
eat / times
D.
eat / time
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