单项选择题

Questions 1 to 5 are based on the following conversation.

A． Automatic gas fill-ups.
B． A touchtone phone system.
C． Automatic cashier.
D． Computer software.
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单项选择题
A． 46.5 billion US dollarsB． 50 billion US dollarsC． 102 billion US dollarsD． 2.6 trillion US dollars
A． 46.5 billion US dollars
B． 50 billion US dollars
C． 102 billion US dollars
D． 2.6 trillion US dollars
单项选择题
A． The students can solve a given problem but cannot find the problem themselves.B． They have been disciplined to be willing to work and make good grades.C． They are generally too timid and too lacking in imagination to ask questions.D． They are not bold and creative enough to break the widely accepted rules.
A． The students can solve a given problem but cannot find the problem themselves.
B． They have been disciplined to be willing to work and make good grades.
C． They are generally too timid and too lacking in imagination to ask questions.
D． They are not bold and creative enough to break the widely accepted rules.
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