问题
选择题
氯气溶于水达到平衡后，若其他条件不变，只改变某一条件，下列叙述正确的是[ ]
A．再通入少量氯气，
减小
B．通入少量SO2，溶液漂白性增强
C．加入少量固体NaOH，一定有c(Na+)＝c(Cl-)＋c(ClO-)
D．加入少量水，水的电离平衡向正反应方向移动
答案
答案：D
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氯气溶于水达到平衡后，若其他条件不变，只改变某一条件，下列叙述正确的是[ ]
A．再通入少量氯气，减小
B．通入少量SO2，溶液漂白性增强
C．加入少量固体NaOH，一定有c(Na+)＝c(Cl-)＋c(ClO-)
D．加入少量水，水的电离平衡向正反应方向移动
答案：D
| 阅读理解。 | |||
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| 1. If an Australian student wants to learn Chinese, he or she can ______. | |||
[ ] | |||
| A. call 021-58609228 B. fax 021-58609728 C. email cherrylf@hotmail.com | |||
| 2. How many square meters is the garden of the house for sale? | |||
[ ] | |||
| A. 509 sqm. B. 428.8 sqm. C. 312.9 sqm. | |||
| 3. Where is Cherry working now? | |||
[ ] | |||
| A. Shanghai. B. Guangzhou. C. Beijing. | |||
| 4. If he goes skiing on ______ in Beijing Snow World Ski Park, Nick has to pay more money than on Tuesday. | |||
[ ] | |||
| A. Sunday B. Friday C. Wednesday | |||
| 5. If you want to ski for four hours on weekdays, how much money will you pay at least? | |||
[ ] | |||
| A. 138 yuan. B. 200 yuan. C. 208 yuan. |