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【判断题】
制冷剂净化是指用专用设备对回收的制冷剂进行循环过滤,去除其中的油、水、酸和其他杂质,使其能够重新利用的过程。
A.
正确
B.
错误
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参考答案:
举一反三
【多选题】( )下列哪些果实种子类药材中含有石细胞?
A.
瓜蒌子
B.
豆蔻
C.
天仙子
D.
胡椒
E.
苦杏仁
【单选题】中国有960万平方公里的陆地国土,居世界第三位。
A.
China has a land area of 9.6 million sq. km, the third place in the world.
B.
China has a land area of 9.6 million sq. km, marking it the third-biggest country in the world.
C.
China has a land area of 9.6 million sq. km, which was the third place in the world.
D.
China has a land area of 9.6 million sq. km, which ranked the third place in the world.
【单选题】China has 20% of the world’s population but only 10% of the world’s farmable land. Which of the following will be predicted by the Heckscher-Ohlin theory, if China begins to trade with other countries...
A.
China will export land-intensive goods like wheat and import labor-intensive goods like clothing.
B.
China will shift resources into the production of agricultural goods and away from manufactured goods.
C.
China will shift resources from the production of agricultural goods to the production of labor-intensive goods.
D.
China will export capital-intensive goods like automobiles and import labor-intensive goods like clothing.
【简答题】China has the third largest land area, next only to and .
【判断题】China has never had any religionoriginatedin its native land.
A.
正确
B.
错误
【简答题】China has become the ____ country to land on the moon. (three).
【单选题】China has 20% of the world’s population but only 10% of the world’s farmable land. Which of the following will be predicted by the Heckscher-Ohlin theory, if China begins to trade with other countries...
A.
a. China will export land-intensive goods like wheat and import labor-intensive goods like clothing.
B.
b. China will shift resources into the production of agricultural goods and away from manufactured goods.
C.
c. China will shift resources from the production of agricultural goods to the production of labor-intensive goods.
D.
d. China will export capital-intensive goods like automobiles and import labor-intensive goods like clothing.
【简答题】余热锅炉按受热面布置方式分为卧式布置余热锅炉和___。
【简答题】( )下列哪些果实种子类药材中含有石细胞?A.瓜蒌子B.豆蔻C.天仙子D.胡椒E.苦杏仁A. 1 B. 1 C. 1 D. 1 E. 1
【简答题】陆羽《茶经》指出饮茶用水质量顺序是: ( _____________ ) 。
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