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【单选题】
动植物的后代与亲代之间存在着不同的特征,我们把这种现象叫做( )A.
遗传
B.
变异
C.
、变态
D.
、传承
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反馈参考答案：
举一反三
【简答题】Efforts to cope with the problems in the cr period gradually provide sojourners with new ways to live in the new culture. Sojourners begin to learn how to _______ and _______ appropriately to the ...
【单选题】The local communities have failed in their efforts to ______ with unemployment.
A.
settle
B.
cope
C.
intervene
D.
interfere
【单选题】已知挖50m 3 土方，按现行劳动定额计算共需20工日，则其时间定额和产量定额分别为( )。
A.
0.4、0.4
B.
0.4、2.5
C.
2.5、0.4
D.
2.5、2.5
【简答题】损失调查需要进行的最重要的工作是（ ）。
【单选题】What are the crises Anna has to cope with after body switch?① desperate patients ② a parent-teacher conference ③ a surprise television talk appearance ④ Ryan’s efforts to kiss her
A.
①②③
B.
①②③④
C.
②③④
D.
①③④
【多选题】What are the crises Anna has to cope with after body switch?
A.
desperate patients
B.
a surprise television talk appearance
C.
Ryan’s efforts to kiss her
D.
a parent-teacher conference
【单选题】已知挖50m3土方,按现行劳动定额计算需25工日,则挖1m3土方的时间定额和产量定额分别为( )。
A.
0.5,0.5
B.
0.5,2
C.
2,0.5
D.
2,2
【单选题】What are the crises Anna has to cope with after body switch ? 1 desperate patients 2 a parent-teacher conference 3 a surprise television talk appearance 4 Ryan’s efforts to kiss her
A.
①②③
B.
①②③④
C.
②③④
D.
①③④
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