读图，比较图中河流 a、b、c三处的位置与三幅断面图。据此回答1—2题。 1、

发布时间：2017-04-26 23:31 │ 来源：www.tikuol.com

题型：选择题

问题：

读图，比较图中河流 a、b、c三处的位置与三幅断面图。据此回答1—2题。

1、河流位置与断面对应关系正确的是　[ ]

A、①—a ②—b ③—c 　

B、①—b ②—a ③—c 　　

C、①—c ②—b ③—a　　

D、①—c ②—a ③—b

2、与河流位置a、b、c对应的外力作用分别是[ ]

A、侵蚀、搬运、沉积

B、侵蚀、沉积、搬运

C、沉积、搬运、侵蚀

D、搬运、沉积、侵蚀

考点：地形剖面图风化作用侵蚀作用沉积作用

题型：选择题

已知集合A={x∈R|x²=a}，使集合A的子集个数为2个的a的值为（　　）

A．-2

B．4

C．0

D．以上答案都不是

查看答案

题型：选择题

完形填空。

     These days computer games have become more and more popular in many cities and towns. A lot of small
shops along busy  1 have changed into computer game houses in order to get more  2 . These places are
always crowded with people.
     In the computer game houses, people  3  a lot of money matching on the machines. It's  4  for one to beat a
computer, but one can do well after trying again and again. People want to  5  when they play computer games.
The more they  6 , the more they want to win, and at last they even can't  7 without it.
     The result is that some people don' t want to  8 , and they play in computer game houses for hours and hours. For school boys, things are  9 . They don't want to have 10 . When school is over, they rush to the computer
game houses near their 11 . Some of them can get enough money from their 12 . Some of them are  13
enough to get the money. So they have to steal or rob others' and become  14 .
     Computer game addiction (上瘾) is a  15  problem in our life. Something has to be done to stop it.

( )1. A. streets
( )2. A. boys
( )3. A. take
( )4. A. possible
( )5. A. read
( )6. A. lose
( )7. A. come
( )8. A. watch TV
( )9. A. better
( )10. A. lessons
( )11. A. classes
( )12. A. classmates
( )13. A. lucky
( )14. A. good
( )15. A. important

B. schools
B. money
B. spend
B. easy
B. learn
B. try
B. eat
B. go out
B. exciting
B. games
B. rooms
B. teachers
B. unlucky
B. bad
B. serious

C. towns
C. computers
C. cost
C. good
C. win
C. waste
C. study
C. stay there
C. even worse
C. families
C. schools
C. sisters
C. careful
C. rich
C. unusual

D. cities
D. houses
D. pay
D. hard
D. download
D. watch
D. live
D. work
D. interesting
D. sports
D. shops
D. parents
D. polite
D. poor
D. wonderful

查看答案

题型：选择题

女，32岁，葡萄胎清宫术后4个月，已恢复正常月经，工具避孕。 * * 不规则流血2周，近3日出现咳嗽、咳痰，痰中有少许血丝，来院就诊。查体：体温37.5℃，妇科检查外阴 * * 正常，宫体如孕50天大小，质软，可活动，双附件无殊。为明确诊断，首先考虑选择的检查是（）

A.胸部正位X线摄影

B.B型超声波检查

C.CT检查

D.血HCG定量检查

E.诊断性刮宫

查看答案

题型：选择题

学校文化主要是指教育与学习的文化。（　）

查看答案

题型：选择题

当演示文稿保存为图片格式时，会出现下列哪种情况（）

A.仅第一张幻灯片可以保存

B.可以保存每一张幻灯片，但只能保存在子文件夹中

C.可以保存每一张幻灯片，但必须保存在C：\MyDoCuments中

D."提示保存哪一张幻灯片

查看答案

更多题库