()离合器操纵机构主要是由主缸、工作缸和管路系统组成的。A.机械式 B.液压式 C.

题型:单项选择题

问题:

()离合器操纵机构主要是由主缸、工作缸和管路系统组成的。

A.机械式

B.液压式

C.气压式

D.气动式

考点:汽车修理工考试汽车修理工(中级)汽车修理工(中级)题库
题型:单项选择题

阅读短文,完成下列题目。

      A man is going to see his friend. He takes some sandwiches with him because his friend's home is very far.

On his way, he says to himself, " My friend is going to give me a very good lunch." Then he throws them away.

He goes on and comes to a river. There's no boat on the river. He can't cross it. He starts to go home. He is

hungry now. And he trys to find his sandwiches. " Oh, my god. A dog has them." He quickly goes up, but the

dog runs away. He is still hungry and he goes back home.

判断对(√)错(×)。

( ) 1. The man's friend's home is not far.

( ) 2. He takes some sandwiches on his way.

( ) 3. He can't find a boat on the river.

( ) 4. The man catches the dog at last.

( ) 5. The man does not meet his friend.

选择正确选项。

6. The man is going to see his ______________.

A. grandma

B. father

C. friend

7. He throws sandwiches away, because he thinks his friend will give him a ______________.

A. sandwich

B. hot dog

C. very good lunch

8. He goes home, because he ______________.

A. can't cross the river

B. is hungry

C. is ill

9. A ______________ has the man's sandwiches at last.

A. cat

B. dog

C. cow

题型:单项选择题

下面有关基因的叙述中,正确的是[ ]

A.基因是DNA的基本组成单位

B.细胞中的基因全部位于细胞核内

C.一个DNA分子往往含有许多基因

D.每条染色体上含有的基因数目相同

题型:单项选择题

甲状腺激素来源于()

A.甲状腺的胶质细胞

B.甲状腺的腺泡细胞

C.甲状腺滤泡旁的C细胞

D.甲状腺滤泡

E.甲状腺上皮细胞

题型:单项选择题

在临床医学研究中要求对资料保密,以下哪一点是不属于该范畴的()

A.对研究资料严加保密

B.对研究成果严加保密

C.医师与病人之间的保密

D.研究者与受试者之间的保密

E.以上各点均正确

题型:单项选择题

针对当时建筑施工中工伤事故频发的严峻形势,国家有关部门颁布了《建筑业安全生产实施细则》。但是,在《细则》颁布实施两年间,覆盖全国的统计显示,在建筑施工中伤亡职工的数量每年仍有增加。这说明,《细则》并没有得到有效的实施。 以下哪项如果为真,最能削弱上述论证

A.在《细则》颁布后的两年中,施工中的建筑项目的数量有了大的增长

B.严格实施《细则》,将不可避免地提高建筑业的生产成本

C.在题干所提及的统计结果中,在事故中死亡职工的数量较《细则》颁布前有所下降

D.在《细则》颁布后的两年中,在建筑业施工的职工数量有了很大的增长

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