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【单选题】
青霉素作用细菌的药理作用机制是。A.
作用蛋白质
B.
作用细胞膜
C.
作用核糖体
D.
作用细胞壁
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【简答题】How is it that siblings (兄弟姐妹) can turn out so differently? One answer is that in fact each sibling grows up in a different family. The firstborn is, for a while, an only child, and therefore has a co...
【单选题】Younger siblings from large families ______.
A.
were unlikely to get stomach cancer
B.
were inescapable to get stomach cancer
C.
were especially prone to get stomach cancer
D.
would live happily
【单选题】siblings from one another — what is missing from the sentence ?
A.
主语
B.
谓语
C.
宾语
D.
zhuang yu
【单选题】“能连续跳绳和拍球 , 能躲避他人滚过来的球或扔过来的沙包” , 这是 岁的幼儿 “具有一定的平衡能力 , 动作协调、灵敏”的表现之一
A.
2~3
B.
3-4
C.
4~5
D.
5~6
【单选题】From the last paragraph we can conclude that
A.
siblings are not in the range of scientific research.
B.
people learned management skills from family playroom.
C.
spouses learned negotiation skills from their sisters and brothers.
D.
studies on siblings are on their way.
【单选题】To be sure, only children experience some things differently from those with siblings (兄弟姐妹 ). Many feel more pressure to succeed. In the absence of brothers and sisters, only children are also likely...
A.
found a support group for their only children
B.
do volunteer work to help their only children
C.
let their only children make all the decisions alone
D.
set good examples for their only children
相关题目：
【单选题】“能连续跳绳和拍球 , 能躲避他人滚过来的球或扔过来的沙包” , 这是 岁的幼儿 “具有一定的平衡能力 , 动作协调、灵敏”的表现之一
A.
2~3
B.
3-4
C.
4~5
D.
5~6