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问题 选择题

在一定温度下，反应的平衡常数为10。若将10 mol的HX(g)通入体积为1.0 L的密闭容器中，在该温度时HX(g)的最大分解率接近于 [ ]

A．5%

B．33%

C．25%

D．17%

答案

答案：D

听力题

Most cities and towns in China have n   1    markets every day. During the day, the streets are q   2   . At night, they become crowded（拥挤的） and lively（活跃的）. Usually people a    3  at three or four in the afternoon. By（到为止） 6:00, the streets are l   4    rivers of people.

Night markets are fun places to shop in. You can buy clothes, shoes and many o  5     things. If the price is too h     6 , you can bargain（还价） with sellers. You can also buy nice food. When you are h   7  , you can sit down for a meal. Smelly tofu(臭豆腐)is p   8 but it really smells bad.

The b   9   thing is everything at night markets is c   10   .
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单项选择题

我国公有制的主体地位主要体现在（）

①公有资产在各行各业中占优势

②公有资产在社会总资产中占优势

③混合所有制经济中，国有经济占优势地位

④国有经济控制国民经济命脉，对国民经济起主导作用

A.①②

B.①③

C.②④

D.③④
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