精英家教网 > 高中地理 > 题目详情

【题目】Scientists study human brains work to make computers.

A. when

B. how

C. that

D. whether

【答案】B

【解析】本题考查的是名词性从句。根据句意可知应该选B。

练习册系列答案
相关习题

科目:高中地理 来源: 题型:

【题目】The old man died suddenly and didnt .

A. cry

B. experience

C. pay

D. suffer

查看答案和解析>>

科目:高中地理 来源: 题型:

【题目】

I wrote him a letter to show my ________of his thoughtfulness.

A. achievement

B. agreement

C. attention

D. appreciation

查看答案和解析>>

科目:高中地理 来源: 题型:

【题目】One of the consequences of our planets being warming up is a(n) ________ in the number of natural disasters.

A. result

B. account

C. reason

D. increase

查看答案和解析>>

科目:高中地理 来源: 题型:

【题目】

________ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.

A. To wait

B. Have waited

C. Having waited

D. To have waited

查看答案和解析>>

科目:高中地理 来源: 题型:

【题目】

---What do you mean ________ saying The boy is overgrowing ?

---I mean that he is tall ________ his age. (2013 .河北五校联盟调研)

A. about; with

B. as to; for

C. by; for

D. by; to

查看答案和解析>>

科目:高中地理 来源: 题型:

【题目】---Put these glasses away before they _______ .

---OK, Ill put them in the cupboard (2013.河北五校联盟调研)

A. have broken

B. are breaking

C. get broken

D. will be broken

查看答案和解析>>

科目:高中地理 来源: 题型:

【题目】在下面一段文字横线处补写恰当的语句,使整段文字语意完整连贯,内容贴切,逻辑严密。每处不超过15个字。(5分)

褪黑素,是存在于藻类等众多生物中的一种激素,它在生物中的含量水平 。它在无光照的夜间分泌量最大,能够帮助降低体温和减少脉搏跳动次数,有助于睡眠;清晨, ,人就慢慢醒来,因此,它被称作睡眠激素。现代社会的各种照明设备和数码设备都会对褪黑素的分泌产生影响,从而

查看答案和解析>>

同步练习册答案