我国丰富的动物资源中,居于首位的是[ ] A.两栖类 B.爬行类 C.鸟类 D.

题型:选择题

问题:

我国丰富的动物资源中,居于首位的是[ ]

A.两栖类

B.爬行类

C.鸟类

D.哺乳类

考点:生物多样性面临的威胁及其原因
题型:选择题

惰性电极电解饱和食盐水,当溶液中有1mol NaOH生成时,则下列说法不正确的是

A.阴极析出氢气

B.标准状况下,阴极产生的气体为11.2L

C.阳极的电极反应式:2H2O + 2e = 2OH+ H2

D.电路中有1mol电子通过

题型:选择题

桡骨茎突部狭窄性腱鞘炎松解术后患者仍诉持续性疼痛,并不断加重,伴有切口远侧感觉迟钝,原来的疼痛与现在感觉到的不同,叩诊瘢痕很痛,最可能的问题是

A.桡神经感觉支神经瘤

B.拇长伸肌的一个副支仍未松解

C.顽固性腱鞘炎,需进一步固定解决

D.反射性交感神经营养障碍,或上肢营养障碍综合征

E.局部感染

题型:选择题

阅读表达。

阅读下面短文,请根据短文后的要求进行答题.(请注意问题后的字数要求)

[1]Pupils at schools in the UK are being given lessons on how to sleep.The project,run by the charity

Sleep Scotland,aims to teach pupils tips,such as the importance of a bedtime routine and avoiding

late-night television.

[2]Experts say teenagers who seem bad-tempered could actually lack sleep because they go to bed

after midnight.The advice for pupils is that they should sleep for more than nine hours a night.Researchers

found that after going to bed after midnight,teenagers still _____________for watching television or

browsing the Internet.Some pupils were getting as little as four or five hours of sleep a night.

[3]One of the schools taking part in the project is Bellahouston Academy in Glasgow.Fiona Patterson,

head of the school's Health and Well-being Department,said the survey results were absolutely shocking.

"They can't function on so little sleep," she said.

[4]Sleep Scotland says getting enough sleep helps with academic performance and sporting skills.

However,going without enough sleep can be linked to obesity (肥胖) and a greater risk of depression.

Jane Ansell,director of Sleep Scotland,said,"You wouldn't send somebody to school without having the

right amount of food,so why would you send them without enough sleep?"

[5]A spokesman for Glasgow City Council said,"We are determined to provide guidance for young

people,so they can get the right amount of sleep and make the best of their learning potential."

1.What's the text mainly about? (Please answer within 10 words)

_________________________________________________________________________

2.Which sentence in the text is the closest in meaning to the following one?

People who lack sleep can easily gain weight and feel depressed,though.

_________________________________________________________________________

3.Fill in the blank in Paragraph 2 with proper words.(Please answer within 6 words)

__________________________________________________________________________

4.What are the benefits of getting enough sleep? (Please answer within 10 words)

__________________________________________________________________________

5.Translate the underlined sentence in Paragraph 5 into Chinese.

____________________________________________________________________

题型:选择题

将下列物质分别加入到足量水中,充分搅拌后能够形成溶液的是(  )

A.纯碱

B.冰块

C.花生油

D.面粉

题型:选择题

关于脾囊肿的CT表现中哪项是错误的()

A.脾内圆形低密度区

B.边缘光滑,密度均匀

C.CT值为0±10HU

D.增强后边界更清楚病灶明显强化

E.少数囊肿可见囊壁弧状钙化影

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