赞题库-背景图
单项选择题

Questions 8 to 11 are based on the conversation you have just heard.

A．$250.
B．$500.
C．$750.
D．$1000.
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热门试题

单项选择题A．It drops by half.B．It increases greatly.C．It keeps stable.D．It booms in global scale.

A．It drops by half.
B．It increases greatly.
C．It keeps stable.
D．It booms in global scale.

单项选择题A．If we wake fast sleeping people, they will feel annoyed.B．If we wake people during the REM, they will feel tired.C．Only dreaming can make us feel refreshed.D．If people are not constantly wakened, they will feel nothing at all.

A．If we wake fast sleeping people, they will feel annoyed.
B．If we wake people during the REM, they will feel tired.
C．Only dreaming can make us feel refreshed.
D．If people are not constantly wakened, they will feel nothing at all.