乙烯含碳的质量分数比较高,燃烧时由于碳没能得到充分燃烧,所以有黑烟产生。

题型:判断题

问题:

乙烯含碳的质量分数比较高,燃烧时由于碳没能得到充分燃烧,所以有黑烟产生。

考点:无机及分析化学无机及分析化学综合练习无机及分析化学综合练习题库
题型:判断题

根据短文内容,选择正确答案.

   It is important to have good human relationships. Good human reiationships mean that you get well with

the people around you. Most people say that they like you. Very few people or even nobody says that

they do not want to be friends with you .

  What helps to build good human relationships? Personality(人格)comes first of all. If you are open, warm and helpful, people will like you a lot. They welcome such personality.

Being, humorous(幽默) also helps you to have good human relationships among people. Jokes help to

make people; laugh. Laughing is good for health. A famous Chinese saying goes: If you laugh once, you

will be ten younger, If you enjoy playing .jokes on others and your jokes make them unhappy ,they will not like you.

   Good health helps to build good relationships, too. People always like to stay or work with a healthy

person If you are often sick, that means you can't always work together with others. So it is really

important to exercise often to stay healthy.

1.This passage is all about         .

A. good human relationships      

B. good health

C. good personality              

D. playing jokes on others  

2.What does the phrase  " human relationships" mean in Chinese?

A.身体状况      

B.知足常乐

C.风趣幽默      

D.人际关系

3. If a person is open, warm and helpful, then this person          .

A. is friendly                  

B. has a bad mood

C. doesn't have too many friends

D.tolks a lot about himself

4. Is it right to play jokes on other people to make them feel bad?

A. Yes, it is right.

B. No, it isn't right.

C. It's not right, but it's nol. very wrong.

D. The text doesn't answer this question.

10. flow many ways does the text tell us to build good human relationships?

A. Only one.                  

B. Two.

C. Three.                      

D. More than three.

题型:判断题

45岁女性,乳晕下发现一小硬结, * * 偶尔有少量溢液,超声示囊性管腔内见一突出新生物,该病最可能的诊断为()

A.导管内原位癌

B.外周型导管内 * * 状瘤

C.积乳囊肿

D.纤维囊性病

E.中央型导管内 * * 状瘤

题型:判断题

处理瞎炮应严格做到()。

A、不得解出放炮警戒

B、从炮眼中拽出引药,拉出雷管

C、拆出联线

题型:判断题

以玉米为主食的地区易发生

A.脂溢性皮炎
B.癞皮病
C.脚气病
D.佝偻病
E.白内障

题型:判断题

渗透层井径数值一般应()钻头直径值。

A.接近或略小于

B.大于

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