单项选择题

A．An equatorial belt of faster moving material.B．The so……

Questions 6 to 8 are based on the following news. At the end of the news item, you will be given 15 seconds to answer each of the following questions.
Now listen to the news.What did they find out

A．An equatorial belt of faster moving material.
B．The solar sound.
C．A sun orbiting satellite.
D．An other plantet.

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热门试题

单项选择题According to the context tooth transplanting ______.

A．will not be realized in the near future
B．is still at a trial period
C．is but a dream
D．has been widely practiced

单项选择题The Enlightenment thinkers see persons as citizens of the world . That means ______.

A．they think people in the world should obey the same rules
B．people shouldn’t have their own religion and lives
C．people don’t belong to any particular groups
D．people should be ruled by the same laws

填空题contributing

单项选择题The main task now facing ecologists, environmental activists and conservationists is ______.

A．to prevent pollution by legislation, economic incentives and persuasion
B．to arouse public awareness of the importance of environmental protection
C．to take radical measures to control environmental pollution
D．to improve the quality of life by enforcing environmental standards

单项选择题We should— when we want to glimpse inside the sun.

A．answer questions about its temperature
B．translate the sounds into images
C．know how gases inside ebb and flow
D．measure the pitch