题目内容
(请给出正确答案)
[主观题]
growth factor
答案
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第3题
A.错误
B.正确
第7题
第9题
The main factor in changing the amount of heat on the earth is ______.
A.man's agriculture and industry ways
B.natural weather
C.wind and rain
D.clouds
第10题
第11题
Another factor contributing to happiness is______.
A.highways
B.democracy
C.higher education
D.unpolluted water supply