首页 > 化学工程与工艺> 化工热力学

题目内容（请给出正确答案）

[主观题]

H+Li→2 He属于反应；U→Th+He属于反应。

查看答案

如果结果不匹配，请联系老师获取答案

您可能会需要：

重置密码查看订单联系客服

安装优题宝APP，拍照搜题省时又省心！

更多“H+Li→2 He属于________________反应；…”相关的问题

第1题

It's 2:20 and he said he'd be here at 2:30 . He ______ be here soon.A．shouldB．canC．wouldD．

It's 2:20 and he said he'd be here at 2:30 . He ______ be here soon.

A．should

B．can

C．would

D．need

点击查看答案

第2题

he must （2) certain rules for his own safetyA.listen toB.findC.followD.insist on

he must (2) certain rules for his own safety

A.listen to

B.find

C.follow

D.insist on

点击查看答案

第3题

Dr.Meade says he is going to see his family. How long has it been since he's seen them？

A.1 day

B.yesterday

C.2 days

D.3 days

点击查看答案

第4题

One has to wait for 2 days or longer for a reply if he/she pays______.A．in person.B．by tel

One has to wait for 2 days or longer for a reply if he/she pays______.

A．in person.

B．by telephone.

C．by fax.

D．by post.

点击查看答案

第5题

In the sentence "Maybe he doesn't see it himself." （Para. 2), "it" refers to______.A．being

In the sentence "Maybe he doesn't see it himself." (Para. 2), "it" refers to______.

A．being friendly

B．a bit of envy

C．lucky dog

D．your luck

点击查看答案

第6题

One has to wait for 2 days or longer for a reply if he/she pays ______.A．in personB．by tel

One has to wait for 2 days or longer for a reply if he/she pays ______.

A．in person

B．by telephone

C．by fax

D．by post

点击查看答案

第7题

Which of the following is WRONG？

A.Sue has borrowed the CD disc

B.What do you think of the book？

C.He took 2 hours to do his maths homework.

D.I found it difficult to understand what he sai

点击查看答案

第8题

the teacher give students 2 minutes to skim a text, and when time is up, he asks students to stop and answer some questions. in this way, the teacher’s role is a／an _____________.

A. prompter

B. organizer

C. controller

D. participant

点击查看答案

第9题

The parties who are qualified to sign the marine bill of lading reads "carrier", "mas

ter", or a named "agent for" or a named agent on behalf of the "carrier or "master". If the carrier has not been previously identified on the face of B/L and his name is ABC Line. When he signs the B/L as follows:

ABC Line

signature

(1)( ) It is correct.

(2)( ) It is incorrect because ______

点击查看答案

第10题

从下面提供的答案中选出应填入下列英文语句中______内的正确答案。 In object-oriented （1) , objects c

从下面提供的答案中选出应填入下列英文语句中______内的正确答案。

In object-oriented(1), objects can be viewed as reusable components, and once the programmer has developed a(2)of these components, he can(3)the amount of new coding required. But(4)a(2)is no simple task because the integrity of the original software design is critical. Reusability can be a mixed blessing for user, too, as a programmer has to be able to find the object he needs. But if(5)is your aim, reusability is worth the risk.

供选择的答案：

(1) complexity (2) creating (3)indisposing (4) library (5) maximize

(6) miniIruze (7) reading(8) procedure (9) productivity (10) programming

(11) security (12) using

点击查看答案

第11题

The following statements are examples of excessive use of euphemism. How to improve them？

Examples of excessive use of euphemism: (1)The employees who had been notified of an interruption in their employment were referred to their outplacement manager. (2)The official acknowledged that he had misspoken when he said the troops had not engaged in any protective-reaction missions. (3)The prisoners life will be terminated at dawn. (4)The non-essential personnel in this division will be vacationed by next week. (5)Reaching the top of the ladder of success must be a moving experience. (6)I was told that he did away with himself. It is a widespread but unproven hypothesis that the parameters of significant personal change for persons in mid-life are extremely narrow. I purchased a residential property that was in need of substantial upgrading.

点击查看答案