单项选择题

A．there is little supplyB．there is still enough supplyC……

Questions 8 to l0 are based on the following news from the VOA. At the end of the news item, you will be given 10 seconds to answer each question. Now listen to the news.Mir’s two primary sources of oxygen have stopped working and now ______ of oxygen inside Mir’s cab-in.

A．there is little supply
B．there is still enough supply
C．there is several days’ supply
D．there is only two days’ supply

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热门试题

单项选择题At first, locomotives could not popularize themselves because they ______.

A．could not bring profits or save much labor
B．attract people
C．only caught some people’s interest
D．were not welcome

单项选择题The best way to save ozone is ______.

A．that CFC manufacture is completely forbidden
B．that the production of CFC is reduced
C．to find substitutes for CFCs
D．to reduce the danger of CFCs

单项选择题According to the passage, one of the causes fur the difficulties of American higher education is that ______.

A．the government has stopped giving public institutions as much financial support as it used to
B．America has always been encouraging young people to go to college
C．many public institutions have replaced private ones
D．the government only finances such researches as that of placing man on the moon

单项选择题According to the passage, what is one major criticism students often make of published research

A．The research has been done in unimportant fields.
B．The researchers did not adequately establish the relationships involved.
C．The researchers failed to provide an appropriate summary.
D．The research has not been written in an interesting way.

单项选择题Why doesn’t the man accept the woman’softer

A．He already knows how to play.
B．He doesn’t like to play games.
C．He doesn’t have a partner.
D．He doesn’t have enough free time.