题目内容
Scientists say it may be five or ten years ______ it is possible to test this medicine on
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【C15】
听力原文： (30[A]) The infant mortality rate in China has declined notably since the beginning of the 1990s, according to China's new white paper on children's conditions. (29[A]) The average decrease in infant mortality in the country is 6.5 percent a year since 1990. The mortality rate of children under five years old has been tailing off by 5.85 percent annually, the white paper says. The white paper, entitled "The Situation of children in China" and issued by the Information Office of the State Council says that so far, no other country in the world with an annual per capita income approximate to China's has attained such rapid decreases.
The percentage of the annual decrease in infant mortality rate since 1990 is ______.
听力原文： (24[C]) Australia plans to increase its military capabilities, Australia's defense minister Ian Mclachlan said in a speech on government defense strategy on Monday. (25 [A]) Such plan will be implemented by replacing or upgrading its military equipment.
"Increased defense spending coupled with advances in technology means that regional military forces are much more powerful than even a decade ago," Mclachlan said, but he did not tell in detail how Australia would increase its combat capability.
What does the Australian government plan to do？
听力原文： Scientists say they can tell what air and sea conditions were like hundreds of thousands of years ago.They say pieces of ice taken from Greenland provide such information.
Scientists took the ice from more than 1.5 miles deep in huge masses of ice that float on the sea. The ice represents 25,000 years of history. (23[B])It provides one of the clearest records of ancient weather.
(24[C])European and American scientific teams have been studying ice from the same area to confirm each other's findings. They measured the oxygen and carbon dioxide in the ice for the temperature. From these measurements, (25[D])the scientific teams say that the past 10,000 years is the only period during which temperature has not changed very much.
According to the news, ice from Greenland gives information about ______.
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