单项选择题

Questions 3 and 4 are based on the news report you have just heard.

A．Customers" higher demands.
B．The inefficiency of employees.
C．Increased variety of products.
D．The rising number of customers.
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单项选择题
A．International treaties regarding space travel programs.B．Legal issues involved in commercial space exploration.C．S. government s approval of private space missions.D．Competition among public and private space companies.
A．International treaties regarding space travel programs.
B．Legal issues involved in commercial space exploration.
C．S. government"s approval of private space missions.
D．Competition among public and private space companies.
单项选择题
A．It crawled over the woman s hands.B．It wound up on the steering wheel.C．It was killed by the police on the spot.D．It was covered with large scales.
A．It crawled over the woman"s hands.
B．It wound up on the steering wheel.
C．It was killed by the police on the spot.
D．It was covered with large scales.
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