长方体的六个面中有可能有四个面的面积相等.______.

题型:解答题

问题:

长方体的六个面中有可能有四个面的面积相等.______.

考点:长方体的认识,正方体的认识
题型:解答题

理财的目标是实现财富增值最大化。

题型:解答题

Once upon a time, there lived a rich man. He had a servant (仆人). He and the servant loved wine and good food very much. Each time the rich man left his home; the servant would drink the wine and eat up all the nice food in the house. The rich man knew what his servant did, but he had never caught his servant doing that.

  One morning, when he left home, he said to the servant, “Here are two bottles of poison (毒药) and some nice food in the house. You must take care of them.” With these words, he went out.

  But the servant knew that what the rich man had said was untrue. After the rich man was away from his home, he enjoyed a nice meal. Because he drank too much, he was drunk and fell to the ground. When the rich man came back, he couldn’t find his food and his wine. He became very angry. He woke the servant up. But the servant told his story very well. He said a cat had eaten up everything. He was afraid to be punished(惩罚), so he drank the poison to kill himself.

小题1:In the story, _______ liked wine and good food very much.

A.the rich man

B.the servant

C.both A and B

D.neither A and B小题2:The rich man knew that it was _______ that drank the wine and ate up all the nice food.

A.the cat

B.himself    

C.nobody

D.the servant小题3:The rich told the servant that there was poison in the two bottles, because_______.

A.there was in face poison in the bottles

B.he did not want the servant to drink his wine

C.he wanted to kill the cat

D.he wanted to kill the servant小题4:In fact, _______ate all the nice food and drank the wine.

A.the servant

B.cat

C.the rich man

D.nobody小题5:From the story, we know that the servant is very _______.

A.lazy

B.bad

C.clever

D.kind

题型:解答题

奇函数f(x)的定义域为(-∞,0)∪(0,+∞),值域为R,当且仅当x>1时,f(x)>0.

关于f(x)有如下命题:①f(-1)=0;②方程f(x)=0有无穷解;③f(x)有最小值,但无最大值;④f(x)的图象关于原点对称,且f(x)是周期函数.其中正确命题的序号是______.

题型:解答题

患儿男性,8个月,平素健康,因呕吐、腹泻3天,大便性状为水样及蛋花汤样,尿少1天,无尿12小时而入院。体检:体温37.8℃,嗜睡,前囟凹陷,双眼深陷,口唇和皮肤干燥,弹性差,四肢冷,有花纹,脉细弱,160次/分,呼吸深长,60次/分,肠鸣音亢进。

该患儿治疗中应避免的治疗措施是()

A.静脉快速扩容

B.立即给碳酸氢钠纠酸

C.立即静脉补钾避免低钾血症的发生

D.1/2~2/3张液体纠正累积损失量

E.补充继续损失和生理需要量时速度约为5ml/(kg·h)

题型:解答题

一老年女性,59岁,绝经8年, * * 分泌物增多半年。妇检:子宫颈后唇有一巨大菜花状赘生物,子宫小,双侧主韧带增厚,未达盆壁,未扪及包块。宫颈活检为鳞癌。治疗方案宜是()

A.放射治疗

B.放射治疗后行广泛性子宫全切除术

C.次广泛性子宫全切除术

D.广泛性子宫全切除术+盆腔淋巴结清扫术

E.子宫全切除术+双附件切除术

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