在以下的“四连环”图中,每环代表一种物质,相连环间所代表的物质在一定条件下可以发

题型:多选题

问题:

在以下的“四连环”图中,每环代表一种物质,相连环间所代表的物质在一定条件下可以发生反应,下表的选项中,符合这一要求的是(  )

ABCD
CuCO2NaOH
HClO2COHCl
CuOCOFe2O3Fe
MgCO2CCuSO4

A.A符合

B.B符合

C.C符合

D.D符合

考点:金属的化学性质一氧化碳的性质和用途碳的性质酸的性质盐的性质
题型:多选题

The young man went to a town and worked there. He did not have a wife so a servant(仆人) did the work in his house.

The young man liked laughing a lot. He nailed(钉钉子) the servant’s shoes to the floor on Monday, and then laughed, because the servant put his feet in them and fell down.

The servant was not angry, but smiled.

Then the young man put brushes in his bed on Tuesday. The servant got into bed and hit the brushes with his feet. He was afraid. The young man laughed loudly again. Again the servant was not angry, but smiled.

Then on Wednesday the young man said to his servant, “You’re a nice, kind man. I am not going to be unkind to you again.”

The servant smiled and said, “And I’m not going to put any more mud(淤泥) from the street in your coffee.”

小题1:The young man went to a town to __________.

A. study                    B. work                 C. spend his holiday

小题2:He played a joke on the servant because __________.

A. he hated him            

B. he had nothing to do    

C. he wanted to get pleasure

小题3:When the young man played a joke on him, the servant just smiled because __________.

A. he was afraid to be fired(解雇)

B. he liked the young man’s action

C. making the young man laugh is his job

小题4:The young man thought the servant showed kind to him, so at last he __________.

A. got angry               

B. stopped playing jokes       

C. laughed loudly again

小题5:What did the servant do in return to(回报) the young man?

A. He stole something from the house.

B. He gave a smile to the young man.

C. He put mud into the young man’s coffee.

题型:多选题

案例一:一般资料:求助者,女性,48岁,公司职员。案例介绍:求助者的儿子在市重点中学读书,学习成绩一直非常优秀。高考前,儿子自己放弃了某名牌大学提前录取的机会,坚持参加高考,但发挥失常,只被普通院校录取。求助着非常生气,怨自己的孩子不争气,不给自己张面子,很后悔没有坚持让儿子提前录取。现在内心矛盾,为儿子上普通学校还是复读一年发愁,心理觉得不踏实。一个多月来经常发脾气,吃不下饭,睡不好觉,经常觉得头痛,有时觉得心慌,无力。最近工作也出错,效率下降,受到领导批评。自己的母亲又因病住院治疗,但自己无心照顾,也觉察到了兄弟姐妹的不满,感觉非常委屈,于是前来心理咨询。心理咨询师观察了解到的情况:求助者因当年上山下乡耽误了考大学,只读到初中毕业,把培养儿子当成了自己奋斗的目标。现在儿子没有考好,觉得自己的希望破灭了,内心非常痛苦。

该求助者目前最主要的心理问题可能是()。

A.情绪问题

B.内心冲突

C.性格问题

D.儿子考学

题型:多选题

对某病进行前瞻性研究时,最初选择的队列应由下列哪些人员组成()

A.患该病的人

B.未患该病的人

C.具有欲研究因素的人

D.具有该病家族史的人

E.不具有欲研究因素的人

题型:多选题

有关溃疡性结肠炎的描述哪项是错误的()

A.病情轻重不等,多呈反复发作的慢性病程

B.发病率女性明显高于男性

C.发病率我国较欧美少见

D.本病可发生在任何年龄

E.是一种原因不明的直肠和结肠慢性炎症

题型:多选题

火车正常行驶的速度是54km/h,关闭发动机后,开始做匀减速运动,6s末的速度是43.2km/h,

求:(1)火车的加速度;

(2)15s末的速度;

(3)45s末的速度。

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