(1)等物质的量的下列化合物与足量浓盐酸反应,得到氯气的物质的量最多的是 ___

题型:填空题

问题:

(1)等物质的量的下列化合物与足量浓盐酸反应,得到氯气的物质的量最多的是

________(填序号)。

已知:MnO4-+H+Cl―→Mn2+Cl2↑+H2O(未配平)

ClO3-+H+Cl―→Cl2↑+H2O(未配平)

ClO+H+Cl―→Cl2↑+H2O(未配平)

A.KClO3        B.KMnO4       C.MnO2       D.Ca(ClO)2

(2)已知Co2O3在酸性溶液中易被还原成Co2,Co2O3、Cl2、FeCl3、I2的氧化性依次减弱。下列反应在水溶液中不可能发生的是________(填序号)。

A.3Cl2+6FeI2=2FeCl3+4FeI3

B.Cl2+FeI2=FeCl2+I2

C.Co2O3+6HCl=2CoCl2+Cl2↑+3H2O

D.2Fe3+2I=2Fe2+I2

考点:氧化性、还原性强弱的比较物质的推断
题型:填空题

某市有一大型文化设施.(如图书馆),从现占用的重点文物保护单位中迁出。经计划主管部门批准,需选址新建一座现代化的大型文化设施,建筑面积控制在5万m2以内。建设单位提出的要求如下:该设施应有观众厅、多功能厅、报告厅和较大的库房,并要求场地干燥,不能靠近易燃易爆地区,又要便于市民前往。同时,该市已有一座国家级同类文化设施,位于城市的西北部。
试分析:城乡规划主管部门根据这个大型文化设施的要求和基本情况,又根据选址的基本原则,在选址时应考虑哪几个方面的问题

题型:填空题

对日常琐事不太愿插手,大都有过一定的政治或学术地位或是女强人,有较好的经济收入和物质精神生活,生活悠闲自得。此表述的是哪种老年女性的行为模型()

A.和平型

B.逍遥型

C.多疑型

D.幼稚型

题型:填空题

A doctor had a son who qualified(获得….资格) as a doctor himself. One day his father decided to have a holiday and he asked his son to look after all his patients. When he returned form his holiday he asked his son if anything had happened.

“Well, yes, Dad ,” the son said, feeling very proud of himself. “You remember Mrs. Jones, the lady whose back pains you’ve been treating for twenty years. Well, I’ve cured them.”

“I see, ” replied his father, not very pleased. “Mrs. Jones’ back pains paid for your university fees. I was hoping they’d pay for your new car as well.”

1. While away from home, the father was ______

A certain that his son was able to take up his job.

B wondering if his son could do a good job

C sure that something had happened

D worried about Mrs. Jones’ back pains

2. Seeing his father back, the son was ______.

A certain that his father would praise him

B afraid that his father would scold him

C wondering what his father would think of his job

D was hoping that his father would let him take up the job

3. Which of the following is not true?

A The father was clever at making money out of his patients.

B The father’s medical skill was not so good as his son’s.

C The doctor was selfish.

D The doctor was a dishonest man but a loving father.

4. What does the writer intend to tell us by this story? He intends to _____.

A disclose(揭发) the secrets of some doctors

B criticize (批评) some doctors for their dishonesty

C prove that sons will be better than their fathers

D tell us something funny.

题型:填空题

替牙(合牙)时期为()。

A.2~6岁

B.2.5~6岁

C.6~12岁

D.9~12岁

E.6~15岁

题型:填空题

最常用的UNIX shell有()

A.Bourne shell(sh)

B.C shell(csh)

C.Korn shell(ksh)

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