[题目]Scientists study human brains work to make computers.A. when B. howC. that D. whether 题目和参考答案——青夏教育精英家教网—

题目内容

【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

相关题目

【题目】The old man died suddenly and didn’t .

A. cry

B. experience

C. pay

D. suffer

【题目】

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

A. achievement

B. agreement

C. attention

D. appreciation

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

A. result

B. account

C. reason

D. increase

【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

【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

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

---OK, I’ll 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

【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① 。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，② ，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③ 。

试题分类