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【简答题】
关于缺铁性贫血的病因,青少年偏食易
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举一反三
【简答题】The author was notorious for his writing about in his time, what do you think of his writing about the relationship between the two es?
【单选题】有一随机变量 y(平均数)~N(100,16), 若 P(y > 104)=0.1587, 则 P(y > 96)= ( )
A.
0.1587
B.
0.6826
C.
0.3174
D.
0.8413
【单选题】What is TRUE about Title LX?
A.
It is a law that bans single-sex schools.
B.
It sets a limit to single-sex classes in schools.
C.
It conforms to the No Child Left Behind Law.
D.
It requires a compelling reason of a district to create single-sex schools.
【单选题】What is the main idea of paragraph 4?
A.
The difficulties of cross-sex friendship stem partly from the media.
B.
Movie and television have set different rules for men and women to interact.
C.
Television has not helped to promote cross-sex friendships.
D.
Some book authors play a negative role in people accepting cross-sex friendships.
【单选题】What helps an expert pick out a native of Wisconsin?
A.
Sex and ethnic background.
B.
Social class and personal style.
C.
Body language.
D.
None of the above.
【简答题】what are chromosomes ?
【简答题】What happened when each same- group had two or three puppets?
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