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【判断题】
齿轮传动的传动比 i 与两轮半径 r b1 和 r b2 有关,与两齿轮的中心距 a 无关。( )
A.
正确
B.
错误
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举一反三
【单选题】渗透泵型控释制剂的组成不包括 ( )
A.
推动剂
B.
渗透压活性物质
C.
崩解剂
D.
半透膜材料
【单选题】After graduation from high school we will reach a point _________ we have to decide which university to attend.
A.
that
B.
what
C.
which
D.
where
【单选题】渗透泵型控释制剂的组成不包括
A.
推动剂
B.
黏合剂
C.
崩解剂
D.
半透膜材料
E.
渗透压活性物质
【单选题】毛细淋巴管起自
A.
小静脉
B.
毛细血管
C.
组织间隙
D.
淋巴结
E.
小动脉
【单选题】I still remembered the day when we ______ in high school,before we left,we got together singsing a song of farewell.
A.
break down
B.
break out
C.
break up
D.
break off
【单选题】毛细淋巴管起自
A.
小静脉
B.
毛细血管
C.
组织间隙
D.
淋巴结
【单选题】We have a lot of _____ at Senior High School, and at the same time the _______ in studying we have made is rapid.
A.
funs, progress
B.
funnies, progesses
C.
funs, progress
D.
fun, progress
【判断题】To graduate from high school, we will begin our new life in college.()
A.
正确
B.
错误
【判断题】水泥净浆装入试模时,用小刀插捣、振动数次后挂去多余净浆。
A.
正确
B.
错误
【单选题】We believe _______ we could finally go to a good senior high school.
A.
what
B.
if
C.
that
D.
when
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