According to the news item, the newly developed machine is used to______.
A. recreate a normal environment for the human body
B. feed the donated organ with sugar
C. preserve the organ in the same way as it is stored on ice
D. keep the donated liver working before it is transplanted
查看答案
吉尔布雷斯夫妇进行了著名的“搬运生铁块试验”和“铁锹试验”改进了操作方法，提高了劳动生产率。()
To reduce the pollution, some industries are now______.
A. treating the waste water containing harmful chemicals
B. leading water to a more prosperous marketplace
C. increasing water supplies
D. asking economic use of wastes
The man went to work in South America because______.
A. his English was good enough to find a job there
B. he was interested in people"s life there
C. he wanted to teach Spanish there
D. his family moved there
What is the most important factor in dealing with a life-threatening situation？
A. Power.
B. Skills.
C. Patience.
D. Weapons.
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