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【单选题】
齿轮轴属于（ ）零件。A.
轴套类
B.
轮盘类
C.
叉架类
D.
箱体类
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【简答题】可达多种治疗目的（ ）|用以增加疗效的作用（ ）|用以减少不良反应的作用（ ）|一种药物影响另一种药物的药效学或药动学（ ）A. 协同作用B. 拮抗作用C. 相互作用D. 联合用药E. 复方制剂
【单选题】After the Asian Games, ( ) people come ti Guangzhou for a visit during holidays.
A.
thousand
B.
thousands of
C.
five thousands
D.
five thousand of
【单选题】I stayed in Japan only a few matches, , I went through a series of hardship.
A.
during when
B.
at that time
C.
during which time
D.
of which time
【单选题】Houses in Ica experienced terrible destruction during the E1 Nino event because _____.
A.
tile El Nino event was the strongest
B.
it seldom rained there
C.
the houses couldn't stand the flood
D.
E1 Nino was unexpected
【单选题】—Why don’t you drive to work today? —Sometimes riding is even than driving during the busy traffic time.
A.
later
B.
faster
C.
slower
D.
more slowly
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