如图所示,在正点电荷Q的电场中,已知Q、A、B、C在同一直线上,且EA=100N

题型:填空题

问题:

如图所示,在正点电荷Q的电场中,已知Q、A、B、C在同一直线上,且EA=100N/C,EC=36N/C,B位于AC的中点,则B点的场强大小为______N/C.

考点:点电荷的电场强度
题型:填空题

单句改错。

1. Some people end up failing exams because their low EQ. __________

2. I left the library in such hurry that I left my textbook behind. ___________

3. Comparing to our small flat, Bill's house seems like a palace. ___________

4. I saw she had tears running up her cheeks. __________

5. It'll be real relief when the missing students are found. ___________

6. I picked up my books, glaring at her and whispered angrily. ____________

7. To be honestly, I trust her more than anyone else. ___________

8. Grandma is so helpful and she devotes a lot of her time to care the neighbors. ___________

9. In the classroom we found her seating at a desk, reading. ___________

10. He was in black clothes made of wool for the first time I met him. ___________

题型:填空题

读图,按要求回答问题

(1)将图中数码②所代表的岛屿的名称是______.

(2)将图中字母C所代表的海域的名称是______.

(3)台湾岛的河流多向______方向流,______是岛内最大的湖泊.

(4)该省级行政中心位于我国温度带中的______带.

(5)该岛有“亚洲天然植物园”的美誉,岛上最著名的树种是______树.

题型:填空题

患者宫颈糜烂行活检,报告示鳞状上皮化生提示()

A.癌变

B.不典型增生

C.糜烂愈合

D.宫颈息肉

E.原位癌

题型:填空题

战术性计划

题型:填空题

由于证券价格变化的趋势是有方向的,因而可以用直线将这种趋势表示出来,这样的直线称为()

A.支撑线

B.压力线

C.上升线

D.趋势线

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