可燃混合气不可以过稀,汽油分子间隔过大,导致进气道回火,排气管放炮,间断断火,使()

题型:单项选择题

问题:

可燃混合气不可以过稀,汽油分子间隔过大,导致进气道回火,排气管放炮,间断断火,使()含量明显上升。

A、HC

B、CO

C、CO2

考点:发动机装调工发动机装调工技师发动机装调工技师题库
题型:单项选择题

阅读理解

     Many people like animals. Now a lot of people have animals as pets (宠物). Usually people like

to have dogs, cats, fish and other animals. Many young people have animals because they think these

animals  are interesting. Some old people have pets because they don't live with their children.Molly

lives in No.25    Garden Street. He is a doctor, but he helps dogs. People usually call him The Dog

Doctor. When their dogs get sick (生病), they call him on the telephone. He goes to the people's

houses and helps them. He gives the dogs the right medicine(药物). Wherever(无论) he goes, he is

always welcome.

1. What kind of animals do people keep?

A. Dogs.

B. Cats.

C. Fish.

D. A1l of the above.

2. Why do old people keep pets?

A. Because they don't live with their sons or daughters.

B. Because they don't have children.

C. Because they think animals are interesting.

D. Because they like animals.

3. Does Molly help animals?

A. Yes, he is.

B. Yes, he does.

C. No, he isn't.

D. No, he doesn't.

4. Which is the best title (题目)?

A. A Dog Doctor.

B. A New Pet Store.

C. Pets and Doctors.

D. An Interesting Animal.

5.Where does Molly live?

A. In a hospital.

B. In a city.

C. In a garden.

D. In No.25 Garden Street.

题型:单项选择题

M公司要对本公司所有员工进行一次综合素质测试,包括人格、能力、情绪三部分,结果出来后,有15人不服被裁的决定。

该公司在人格测试中认为人格是由()决定的。

A.心情

B.遗传

C.环境

D.情境

题型:单项选择题

英法两国政体的同中有异是指

A.英国议会的地位与权力比法国议会的地位与权力要强

B.英国国王的权力比法国总统的权力要大

C.英国内阁由议会多数党组阁,法国政府由 * * 组织

D.英国首相和法国 * * 的权力一样大

题型:单项选择题

下列有关药物在胃肠道的吸收描述中哪个是错误的()。

A.胃肠道分为3个主要部分:胃、小肠和大肠,而小肠是药物吸收的最主要部分

B.胃肠道内的pH从胃到大肠逐渐上升,通常是:胃pH为1~3(空腹偏低,为1.2~1.8,进食后pH上升到3),十二指肠pH为5~6,空肠pH为6~7,大肠pH为7~8

C.pH影响被动扩散的吸收

D.主动转运很少受pH的影响

E.弱碱性药如麻黄碱、苯丙胺在十二指肠以下吸收较差

题型:单项选择题

下列哪项不是美国存托凭证发行必需的步骤( )

A.投资者委托经济人以ADR形式购买非美国公司证券
B.将所购买的证券存放在托管银行
C.存券银行命令托管银行移送证券
D.存券银行发出ADR

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