目前人类利用的水资源主要有[ ] A.海洋水 B.冰川水 C.地下水 D.江河湖

题型:选择题

问题:

目前人类利用的水资源主要有[ ]

A.海洋水

B.冰川水  

C.地下水    

D.江河湖泊水、浅层地下水

考点:中国的水资源
题型:选择题
补全对话
A. That's true.  
B. How did you like it?
C. The concert ended at 10:00 p. m.
D. I went there with my parents.
E. How did you go there?
F. It was called '6Saving the Children".
G. The concert was held for collecting money for poor children.
 
A: Hi, Kate!  Did you go to the concert last night?
B: Yes,    1   
A:    2   
B: Wonderful. Many famous singers sang at the concert.    3   
A: What does it mean?
B:    4    You know many children in the world don't have enough food.
A:    5   
B:I think people all over the world should help them.
A: That's right!
1. _____ 2. _____ 3. _____ 4. _____ 5. _____
题型:选择题

某男,56岁,突然心悸,气促、咯粉红色泡沫痰,血压195/90mmHg,心率135次/min。护士应首先备好下列哪组药物()

A.西地兰,硝酸甘油,异丙肾上腺素

B.硝普钠,西地兰,速尿

C.毒K,硝普钠,心得安

D.胍乙啶,酚妥拉明,西地兰

E.硝酸甘油,西地兰,多巴胺

题型:选择题

一个半径较大的透明玻璃球体,截去上面的一大部分,然后将这—部分放到标准的水平面上,现让单色光竖直射向截面,如图所示,在反射光中看到的是(       )

A.平行的亮暗相间的干涉条纹

B.环形的亮暗相间的干涉条纹

C.只能看到同颜色的平行反射光

D.一片黑暗

题型:选择题

颅底骨折时的处理下列哪项错误()

A.预防感染

B.抬高头位

C.鼻腔出血予以填塞

D.长期脑脊液漏并反复感染可考虑手术治疗

E.骨折片压迫视神经时应及早手术清除骨折片

题型:选择题

拆装汽轮发电机转子护环一般要掌握三个什么要素?

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