产业结构优化的目标是调整不协调的产业结构。()
A. 正确
B. 错误
At the beginning of the 20th century (世纪) , the population was around 1700 million.
A. Right
B. Wrong
C. Doesn't say
______
A. 领域需求
B. 领域分析
C. 领域设计
D. 领域实现
According to the passage, the two daughters seem to
A. enjoy the evening's shopping in the beginning.
B. be reluctant to run errands with the mother.
C. enjoy browsing various kinds of items.
D. be glad to help their mother with housework.
微信支付 
支付宝支付