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【单选题】
心脏属于人体的A.
运动系统
B.
循环系统
C.
消化系统
D.
生殖系统
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举一反三
【简答题】大学英语3课本第12页第七大题第6小题
【单选题】_______ the illegal mobile WAP sites worries many parents. [ ]
A.
The children's surfing
B.
The children surf
C.
The children surfing
D.
The children have surfed
【简答题】听短文，根据其内容选出能完成下列句子的最佳答案。短文读两遍。 1. Many like going to pet show. [ ] A. children B. old men C. s 2. The children like it most when they ride on . [ ] A. an elephant B. a goat C. a cow 3. Th...
【单选题】— How many ______ are there in your class? — About 63. [ ]
A.
childs
B.
childrens
C.
children
D.
child
【单选题】We have too many people in our country. Their life will be ___________ if there are ___________ children in a family.
A.
richer; fewer
B.
poorer; fewer
C.
richer; more
D.
richer; less
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