欲了解水体是否受到粪便和医院污水的污染,应测定 A.水生生物种群和数量的检测 B.生

题型:单项选择题

问题:

欲了解水体是否受到粪便和医院污水的污染,应测定

A.水生生物种群和数量的检测
B.生物体内残毒测定
C.鱼类毒性试验
D.水中大肠菌群和病原微生物监测
E.水鸟的习性改变

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

Every child has his own dream.Every child hopes to be an adult.However, is it truly like what they imagine? As a boy who lives in modem times and in a modern city,I feel greater pressure on me with the city’s development.Although we seldom worry about money, we still have a lot of others such as competitions among classmates and expectations from parents.These experiences are very helpful to our future.But in fact,they really give me a lot of pressure.I still clearly remembered the happiness of my childhood.Unluckily,we had to face the fact with time passing by.We began to feel this invisible(无形的)pressure come upon us.We get up before sunrise and return after sunset.we work and study like an adult,even harder.What we do is to get an excellent mark.Oh,growing up is completely boring.We must try to find happiness while growing up.I think the friendship among our friends,the support from our parents and the encouragement from our teachers can help us.Why not enjoy the pleasure of growing up and its delicious taste?

(    ) 6.The best title of the text is“_________”.

A.My dream

B.My worries

C.My pleasure

D.My school life

题型:单项选择题

从社会性质上看,近代中国社会属于()

A、封建社会 

B、资本主义社会 

C、新民主主义社会 

D、半殖民地半封建社会

题型:单项选择题

曲线y=-x3+3x2在点(1,2)处的切线方程为 [ ]

A、y=3x-1   

B、y=-3x+3

C、y=3x+5

D、y=2x

题型:单项选择题

“斯坦尼斯拉夫斯基体系”是俄国戏剧家斯坦尼斯拉夫斯基创立的体验派的______体系。

A.表演
B.化妆
C.音乐
D.美术

题型:单项选择题

论述《四库全书》的编辑特点?如何评价《四库全书》?

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