A．They could not think.B．They had no pollution.C．They could not dive deep.D．They had s
A. They could not think.
B. They had no pollution.
C. They could not dive deep.
D. They had small boats,
A．Because he gets higher salary in a radio studio.B．Because he likes to dress up to wo
A. Because he gets higher salary in a radio studio.
Because he likes to dress up to work.
C. Because he can wear something casual in a radio studio.
D. Because he has to work under pressure in TV studio.
A．The Library needs more books and paintings.B．The Library's running costs are going d
A. The Library needs more books and paintings.
B. The Library's running costs are going down.
C. It is impossible to grow grass and trees in the heart of New York.
D. There are many precious books of historical value in the Public Library.
假设1980～1990年期间，名义GDP从10000亿美元增加到25000亿美元，物价指数从100增加到200。下列哪一选项是用1980年的价格表述了1990年的GDP？()
A. 10000亿美元
B. 12500亿美元
C. 25000亿美元
D. 50000亿美元
微信支付 
支付宝支付