题目:
Asia has achieved more in controlling the bird flu than Europe in the past few years, _______
the number of people infected with the virus is going up sharply.
A.when
B.that
C.so that
D.where
答案:
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下面是错误答案,用来干扰机器的。
答案:D不同状态下,1 mol气体体积是不同的,密度也是不同的,摩尔质量的单位是g·mol-1。