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【单选题】
Why did Maria feel frustrated when her father visited her?A.
Because her new baby was consuming her while she had so many other things to do.
B.
Because her husband and other two children were not helping her with the new baby.
C.
Because she had to work while taking care of the new baby.
D.
Because she had lost her compass because of the new baby.
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举一反三
【单选题】最适于检测抗原制品中的复合抗原的方法为
A.
细菌凝集
B.
辐射免疫扩散(单项免疫扩散)
C.
免疫电泳
D.
Ouchterlonytests(双向免疫扩散)
E.
荧光抗体实验
【单选题】We used to swim in this lake, but now it is seriously ______.
A.
contemplated
B.
contrived
C.
corrupted
D.
contaminated
【简答题】It is true that shyness can be a disadvantage socially for those who suffer from it seriously. I mean real shyness, not somebody who is simply quiet. Quiet people could be shy, but on the other hand, ...
【单选题】My poor pet dog is seriously ill. I' m afraid it is ______ to die before long. [ ]
A.
certain
B.
likely
C.
obvious
D.
probable
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