标准状况下VL氨气溶解在1L水中（水的密度近似为1g/mL），所得溶

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问题选择题

标准状况下VL氨气溶解在1L水中（水的密度近似为1g/mL），所得溶液的密度为ρg/mL，质量分数为ω，物质的量浓度为c mol/L，则下列关系中不正确的是[ ]

A．ρ=(17V+22400)/(22.4+22.4V)

B．ω=17c/(1000ρ)

C．ω=17V/(17V+22400)

D．c=1000Vρ/(17V+22400)

答案

答案：A

阅读理解

根据所提供的内容，判断下面句子是否与所给内容一致。内容一致的涂A，不一致的涂B。

1. Please clean up before leaving.

2. Showers to be taken before 11:00 p. m. .

3. No staying out after 10: 00 p. m. unless allowed by me.

4. You may have incoming calls on my mobile phone but no outgoing calls.

5. Bed time is 11: 00 p. m. .

6. Dinner is at 7: 00 p. m. unless notified (通知).

(If you don't have dinner here, you must let us know before 6: 00 p. m. )

7. Keep noise to the least.

8. No smoking in the bedroom

The address you are staying at is: 112 Kendal Way Chesterton Cambridge CB4 1LT

Contact number: My mobile number is 07870 346583

( )1. You must make the room clean before you leave.

( )2. The rule-maker usually cooks dinner before 6; 00 p. m. .

( )3. Smoking is allowed in the bedroom.

( )4. 07870 346583 is an ID number.

( )5. The rules are made for people who stay with a family.

单项选择题

感性材料是想象活动进行的（）

A.原因

B.动力

C.基础

D.目标