水的混浊程度主要取决于A.沉降于水中砂土的含量B.悬浮于水中胶体颗粒物的含量C.悬浮

题型:单项选择题

问题:

水的混浊程度主要取决于

A.沉降于水中砂土的含量
B.悬浮于水中胶体颗粒物的含量
C.悬浮于水表面混杂物质的含量
D.存在于水体中有机物的含量
E.存在于水体中有机盐的含量

考点:公卫执业助理医师公卫执业助理医师
题型:单项选择题

阅读理解

       Peter is an American boy from New York. He is tall and he has a good look. He has a big nose and

big blue eyes. His hair is light(浅色) brown and curly(卷曲). He likes(喜欢) white. He is in a white T-shirt, white pants and white shoes. He is very cool. He likes basketball(篮球), too. He knows NBA stars.

He says(说),"Yao Ming is cool!"We are good friends.

根据短文内容,回答问题。

1. Who is Peter?

________________________________________

2. Is he tall and cool?

________________________________________

3. What color are his eyes and hair?

________________________________________

4. What color are his clothes?

________________________________________

5. Is Peter an NBA star?

________________________________________

题型:单项选择题

房地产开发项目的税后利润是指房地产开发企业缴纳()之后的利润。

A.营业税

B.房产税

C.土地增值税

D.企业所得税

题型:单项选择题

—I just want to know. Please tell me, how much do you make an hour?  

—If you_____ know, I make $20.00 an hour.[ ]

A. will            

B. shall              

C. must                

D. need

题型:单项选择题

正常变异较大的脑池是()

A.视交叉池

B.鞍上池

C.环池

D.枕大池

E.大脑大静脉池

题型:单项选择题

有关鞍内颅咽管瘤的描述中,错误的是()

A.由胚胎颅咽囊残留上皮发生

B.可呈囊性或实性

C.实性区形似造釉细胞瘤

D.不出现鳞状上皮团

E.可破坏垂体和下丘脑引起侏儒症

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