下列物质能在pH=1的溶液中共存且形成的溶液为无色的是 A.(NH4)2SO4、

题型:选择题

问题:

下列物质能在pH=1的溶液中共存且形成的溶液为无色的是

A.(NH4)2SO4、HCl、NaNO3、K2SO4

B.K2SO4、KNO3、H2SO4、KMnO4

C.MgSO4、NaCl、HNO3、Na2CO3

D.BaCl2、NaNO3、KCl、H2SO4

考点:石灰石的利用盐的用途
题型:选择题

甲公司年末某项交易性投资账面余额为50万元,市价为47万元,据此计算,年末该项交易性投资影响当期损益的金额为( )万元。

A.11

B.3

C.-3

D.0

题型:选择题

В природе ____ не остается неизмененным.

A.все

B.ничто

C. нечто

D.что

题型:选择题

阅读理解。

     My most memorable experience will stay in my mind forever. For most people, horses are just animals

that should only be used for racing. Ever since 1 was a child, my dream was to ride a horse. When that time

finally carne, my heart beat a thousand times a minute.

     It Was a warm summer day, and we were at a park. My mom was buying several things for home while

I wandered around to find something interesting. Suddenly I found a horse standing other women and children

in the group, they developed the ability to communicate successfully.

     For a woman, speech continues to have such a clear purpose: to build relationships and make friends. For

men, to talk is to relate the facts.

     Men see the telephone as a communication tool for sending information to other people, but a woman sees

it as a means of bonding (沟通). A woman call spend two weeks on vacation with her friend and, when she

returns home, telephone the same friend and talk for another two hours.

     There is no convincing evidence that social conditioning is the reason why girls talk more than boys. Dr

Michael Lewis conducted experiments that found mothers talked to and looked at baby girls more often than

baby boys. Since a girl's brain is better organized to send and receive speech, we therefore talk to them more.

As a result, mothers who try to talk to their sons are usually pointed to receive only short grunts (低语) in

reply.

1. While watching TV with others, women usually talk a lot because _____.

A. they are afraid of silence

B. they like to do different things

C. they want to develop relationships

D. they have to explain the plot to their husbands

2. After a vacation, a woman would talk to her friend again on the phone in order to _____.

A. give her friend a good memory

B. keep a close tie with her friend

C. remind her friend of something important

D. introduce her friend a new place of interest

3. What does the writer want to tell us?

A. Women's brains are better organized for language and communication.

B. Women love to talk because they are more friendly than men.

C. Social conditioning is the reason why women love talking.

D. Men do not like talking because they rely more on facts.

4. Which would be the best title for the passage?

A. Training to Talk

B. Women Love to talk

C. Talking means Relationships

D. Men Talk Differently from Women

题型:选择题

下列哪项不是生产性作业

A.家务
B.移动
C.抚养子女
D.教育
E.以上均不是

题型:选择题

Y.1231与G.902相比,具有哪些优势?

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