当地球公转经过近日点时，我国出现的地理现象是（）
A. 华南一带进入梅雨季节
B. 冷空气加强并频频南下
C. 白昼越来越长
D. 江淮地区出现伏旱天气
The fact ______ money orders can usually be easily cashed has made them a popular form. of payment．
A. of
B. is that
C. that
D. which is
在社会存在中起决定作用的是（）
A. 生产方式
B. 自然环境
C. 社会心理
D. 人口因素
Which of the following statements about computerized monetary systems is NOT supported by
A. They promote international trade.
B. They allow very rapid money transfers.
C. They are still limited to small transactions (交易).
D. They are dependent on good telecommunications systems.
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