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【单选题】
月球通过朔日以后,紧接着通过的特殊会合位置为( )
A.
上弦日
B.
望日
C.
朔日
D.
下弦日
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【单选题】1911年的京剧演员评选活动中,梅兰芳名列第几?()
A.
B.
C.
D.
没上榜
【单选题】There used to be a church in the small town, _____?
A.
used there
B.
usedn ’ t there
C.
used it
D.
usedn ’ t it
【单选题】We ordered that he ______ sorry to his mon, but he insisted that it ______ his fault. A. said; wasn’t B. say; wasn’t C. said; not be D. say;...
A.
said; wasn’t
B.
say; wasn’t
C.
said; not be
D.
say; not be
【单选题】_ that she didn't do a good job, I don't think I am abler than her. [     ]
A.
To have said
B.
Having said
C.
To say
D.
Saying
【单选题】Evolutionary biologists believe that speciation, the formation of a new species, often begins when some kind of physical barrier arises and divides a population of a single species into separate subpo...
A.
The division of a population into subspecies.
B.
The reuniting of separated populations after they have become distinct species.
C.
The movement of a population to a new homeland.
D.
The absence of gene flow between subpopulations.
【多选题】蝼蛄的前足,蜜蜂的后足,跳蚤的后足,龙虱的后足分别为()类型。
A.
携粉足
B.
开掘足
C.
跳跃足
D.
游泳足
【简答题】蜜蜂的后足类型为()。
【单选题】There used to be a cinema here before the war, _______?
A.
usedn ' t/wasn ' t there
B.
was there
C.
used there
D.
did there
【单选题】There used to be a cherry tree in this field, ______ ?
A.
usedn't it
B.
usen't it
C.
didn't it there
D.
usedn't there
【多选题】齿轮传动的主要特点包括下列的()。
A.
效率高
B.
结构紧凑
C.
工作可靠
D.
寿命长
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