It is pretty well understood ________ controls the flow of carbon dioxide in and out the atmosphere today.

题目
It is pretty well understood ________ controls the flow of carbon dioxide in and out the atmosphere today.

A、that

B、what

C、when

D、how

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相似问题和答案

第1题:

It was a nice house, but _______ too small for a family of live.

A. rarely B. fairly C. rather D. pretty


正确答案:C

第2题:

Her behaviour is extremely childish.

A: simple
B: immature
C: beautiful
D: pretty

答案:B
解析:
句意为:她的行为非常不成熟。画线部分childish意为“幼稚的”。simple意为“简单的”; immature意为“不成熟的”; beautiful意为“美丽的”; pretty意为“漂亮的”。根据画线单词意思。只有immature与其意义相近,可进行替换。因此B项正确。

第3题:

This university is full of ___ atmosphere.

A、academic

B、academics

C、academical

D、academy


正确答案:A

第4题:

下面哪个代码可以正确播放音频()。

A.<audio href="nusic.mp3" controls="controls"> 浏览器不支持HTML5:audio </audio>

B.<audio src="nusic.mp3" controls="controls"> 浏览器不支持HTML5:audio </audio>

C.<video src="nusic.mp3" controls="controls"> 浏览器不支持HTML5:audio </video>

D.<audio type="nusic.mp3" controls="controls"> 浏览器不支持HTML5:audio </audio>


浏览器不支持HTML5:audio

第5题:

Fresh students are usually very happy on the first day to go to college.

A:Small
B:New
C:Active
D:Pretty

答案:B
解析:
新生在上大学的第一天通常都很高兴。small“小的”,如:The elder brother left the small apple to himself.哥哥把小苹果留给了自己。new“新的”,如:Don't be desperate ; a new day will come.不要绝望,新的一天就会到来。 active“积极地,活跃的”,如:John is always active in participating in school activities.约翰总是很积极地参加学校活动。pretty“好看的”, 如:She is a popular girl in school because she is very pretty.她之所以在学校很受欢迎是因为她长得好看。只有new意思上和fresh最接近。

第6题:

The newly married couple wants a restaurant that serves good food and has a bit of__________ as well.

A.situation
B.conditions
C.environment
D.atmosphere

答案:D
解析:
考查名词辨析。句意为“这对新婚夫妇想要寻找一个能够提供不错食物的餐馆,并且还要有点__________”。situation意为“(人的)情况,局面,形势”,condition意为“情况,状态,环境、条件,健康状况”,environment意为“环境”,atmosphere意为“气氛”。由于该空前面是用a bit of修饰.因此只有atmosphere符合此处句意.故选D。

第7题:

We reckoned there was only one man who is fit for the post.

A:figured
B:believed
C:encountered
D:understood

答案:B
解析:
本句意思:“我们认为只有一个人胜任这份工作。” believe:相信,例如 Don't believe what you read in the papers.不要相信你在报纸上看到的东西。figure:估计,例如 She figured that both she and Diana had learned a lot from the experience.她觉得自己和戴安娜都从这一经历中学到了很多东西。encounter:遭遇,例如:The two of them had an encounter of wits.他们俩偶然地展开了一场斗智。understand:理解,例如:They are too young to understan what is going on.他们还太小,不明白发生了什么事。

第8题:

I like the working()here.

A.air

B.feeling

C.atmosphere


正确答案:C

第9题:


Which of the following,according to the passage,is a list of three natural sources of radiation?( )

A.Radioactive potassium in bone,strontium 90,uranium ore.
B.Carbon 14 in tissues,cosmic rays,X rays.
C.Cosmic rays,radioactive potassium in bones,radioactive carbon in tissues.
D.X rays,carbon 14,plutonium.

答案:C
解析:
细节题。根据文章第一段首句可知,辐射有三种自然来源,即环境中的放射性物质如土壤、岩石或建筑材料,宇宙射线,以及人体内的物质,如骨骼中的放射性钾以及组织中的放射性碳,C项正确。

第10题:

3、下面哪个代码可以正确播放音频()。

A.<audio href="nusic.mp3" controls="controls"> 浏览器不支持HTML5:audio </audio>

B.<audio type="nusic.mp3" controls="controls"> 浏览器不支持HTML5:audio </audio>

C.<audio src="nusic.mp3" controls="controls"> 浏览器不支持HTML5:audio </audio>

D.<video src="nusic.mp3" controls="controls"> 浏览器不支持HTML5:audio </video>


A