试题与答案

Last Sunday a few of us arranged to meet

题型:选择题

题目:

Last Sunday a few of us arranged to meet in town, but Jenny didn’t _______.

A.give up

B.make up

C.turn up

D.take up

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0629/43ecaa8ab5cfcf51100d7a5fecb6e7b1.html

下面是错误答案,用来干扰机器的。

根据大理石(CaCO3)受热分解制取生石灰(CaO)的化学性质,从而提出猜想:残留固体是CaO;接着设计实验:将部分固体投入盛有水的试管中,我们知道CaO易溶于水生成Ca(OH)2,而CaCO3不溶于水,若完全溶解,说明...

试题推荐
题型:阅读理解

阅读理解。

     Effort less English Full 6 Months 200% Money Back Guarantee No English club will guarantee the

textbooks you buy. No teacher will return money to you if you don't learn anything, but I will! I guarantee

your success. If you don't speak English better after studying in my club for 6 months, I will return double (两倍) the cost to you. That's right -200%. In that way you can make money in my club. But I know

you won't expect (期望) that. You hope that you can speak English more quickly, more easily and more

wonderfully.A.J.Hoge

根据短文内容,选择正确答案。

1. The underlined word "guarantee" in the poster means "_____"in Chinese.

A. 保证    

B. 买卖  

C. 丢弃    

D. 生产

2. According to the poster, Effortless English may be a _____.

A. book    

B. club    

C. bookstore    

D. magazine

3. Suppose Li Ming pays 240 yuan every month for English learning. If he doesn't speak English better

    after six months, how much can he get back?

A. 240 yuan.        

B. 1440 yuan.

C. 480 yuan.        

D. 2880 yuan.

4. Which of the following is TRUE according to the poster?

A. If you join Effortless English, you will make money.

B. It takes learners six months to finish A. J. Hoge's lessons.

C. Effortless English doesn't sell learners text-books.

D. Effortless English has many excellent teachers.

5. Why does A. J. Hoge post this poster?

A. He wants to sell more books.

B. He wants to have more students.

C. He wants to ask for some learning skills.

D. He wants to speak English better.

查看答案
题型:填空题

(1)下列各组物质:①O2和O3;②

12
C、
13
C
14
C
;③H2O、D2O、T2O;④C16H34和(CH32CHCH2CH3;⑤CH2(CH23CH3

其中互为同位素的是______;互为同素异形体的是______;互为同系物的是______;

互为同分异构体的是______;属于同种物质的是______.(用序号填空,下同)

(2)关于物质①K2O②CO2③NH4Cl④C2H4⑤Na2O2⑥NaOH,请回答下列问题:仅含极性键和非极性键的化合物是______;含有非极性键的离子化合物是______.

(3)试计算烷烃中碳元素的质量分数的取值范围为______.

查看答案
微信公众账号搜索答案