直径小于0.1mm的微粒称为烟。

题型:判断题

问题:

直径小于0.1mm的微粒称为烟。

考点:金属工艺学焊接与热切割焊接与热切割题库
题型:判断题

One morning, Bill said he was ill. His mother called a taxi and took him to the doctor. The doctor asked Bill, “What’s the matter, young man?” Bill answered, “I’m feeling sick. I’m coughing(咳嗽) and having a headache(头痛). I won’t be able to go to school today, I’m afraid.” The doctor looked him over carefully, and then asked his mother, “What did he have for breakfast?” His mother said, “He had four pieces of dread, two eggs, a bottle of milk and an orange.” The doctor smiled, “Don’t worry. It’s nothing serious. The boy will be all right after the football match.” The mother said, “I don’t understand, Doctor.” The doctor smiled again,” This afternoon, the biggest football game of the year will be on TV. Your boy doesn’t want to miss it. I think he will be fine after the game. You wait and see.”

小题1:Bill and his mother went to the doctor_________ that morning.

A.by bus

B.by taxi

C.in a car

D.on foot小题2: Bill had _______ for his breakfast.

A.nothing

B.four eggs

C.a lot of food

D.just a little小题3:The doctor didn’t give Bill any medicine(药), because ________.

A.he didn’t think Bill was ill

B.Bill didn’t like having medicine

C.Bill’s mother didn’t have enough money

D.he had no medicine left(剩下)小题4: There was_______ on TV.

A.a volleyball game

B.an English play

C.a funny match

D.a football match小题5:In fact(事实上),_______.

A.there was something serious with Bill

B.Bill liked watching football matches better than going to school

C.Bill was an honest(诚实) boy

D.Bill’s mother was a doctor and she knew Bill was not ill

题型:判断题

肝性脑病最常见的病因是()

A.药物性肝炎

B.脂肪肝

C.原发性肝癌

D.肝炎后肝硬化

E.严重胆道感染

题型:判断题

柔韧素质的好坏跟哪些因素有关()

A.关节的解剖结构

B.关节周围软组织的体积大小

C.韧带、肌腱的伸展性

D.皮肤的伸展性

题型:判断题

在解决世界饥饿人口方面,惠及人口最多的农业地域类型是

A.季风水田农业

B.商品谷物农业

C.混合农业

D.乳畜业

题型:判断题

河流赛道长120米,水流速度2米/秒,甲船速度为6米/秒,乙船速度为4米/秒。比赛进行两次往返,甲、乙同时从起点出发,先顺水航行,问多少秒后甲、乙船第二次迎面相遇( )

A.48
B.50
C.52
D.54

更多题库