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【单选题】
关于Ig的叙述,错误的一项是
A.
机体感染后最早出现的是IgM
B.
血清中含量最高的是IgG,含量最少的是IgD
C.
IgM是分子量最大的Ig
D.
IgE为亲细胞抗体
E.
成熟B淋巴细胞表达SmIgM和SmIgD
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参考答案:
举一反三
【单选题】What did Mr. Rochester go out for?
A.
For a house-party.
B.
For a business trip.
C.
For health check.
D.
For an important conference.
【单选题】What did Jane insist on doing?
A.
Leaving Mr. Rochester.
B.
Living with Mr. Rochester.
C.
Teaching at a school.
D.
Looking for a new husband.
【单选题】What did Mr. Rochester tell Jane one afternoon?
A.
His business in Paris.
B.
His love affair in Paris.
C.
His education.
D.
His family problem.
【单选题】What did Jane decide to do afterwards?
A.
To stay with her cousins.
B.
To return to Gateshead.
C.
To stay with Mr. Rochester.
D.
To be a governess in another wealthy family.
【单选题】矿岩破碎后,其体积比原来()的性能叫碎胀性。
A.
减小
B.
相等
C.
增大
【单选题】What did Mr. Rochester plan at Thornfield?
A.
A house party.
B.
An Opera.
C.
A birthday celebration.
D.
A costume ball.
【单选题】what favor did Jane do to Mr. Rochester?
A.
To fetch Mrs. Fairfax for him.
B.
To help him wald to his horse.
C.
To buy him some medicine.
D.
To offer him some first aid.
【单选题】What musical instrument did Mr. Rochester ask Jane to play?
A.
Piano
B.
Violin
C.
Guitar.
D.
Harp
【判断题】矿岩破碎后,其体积比原来增大的性能叫碎胀性。
A.
正确
B.
错误
【简答题】什么叫碎胀性?
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