读南京北城郊秋季某日垂直温度梯度（℃/100米）时空变化图，回答_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题选择题

读南京北城郊秋季某日垂直温度梯度（℃/100米）时空变化图，回答1~3题。

1、该日此地发生大气逆温现象的时段是[ ]

A、8时～16时30分

B、17～23时

C、16时30分～次日7时

D、23时～次日5时

2、发生大气逆温现象的最大高度约为[ ]

A、500米

B、350米

C、100米

D、150米

3、当某地大气发生逆温现象时[ ]

A、空气对流更加显著

B、抑制污染物向上扩散

C、有利于大气成云致雨

D、减少大气中臭氧的含量

答案

1、C

2、B

3、B

完形填空

完形填空。
Life in 30 years will be 1_ because many changes will take place,but what will the changes be? The population is growing fast. There will be 2 people in the world and most of them will live longer than before. Computers will be 3 smaller and more useful,and there will be at least one in every home. And computer studies will be one of the important 4 inschool. People will work fewer hours than they are doing now,and they will have more free time for sports, watching TV and traveling. Traveling will be much cheaper and 5_ . And many more people will go to other countries 6_ holidays. There will be changes in our food,too. More land will be used for 7 new towns and houses. Then there will be less 8_ for cows and sheep,so meat will be more expensive. Maybe people won't eat it every day.They will eat more vegetables and fruit instead. Maybe people will be healthier. Work in the future will be different,too. Dangerous and hard work will 9_ by robots. Because of this, many people will not have 10 to do. This will be a problem.
( )1. A. same ( )2. A. little and little ( )3. A. much ( )4. A. subject ( )5. A. easily ( )6. A. for ( )7. A. build ( )8. A. rooms ( )9. A. done ( )10.A. works enough	B. differenc B. less and less B. many B. subjects B. more easily B. with B. building B. room B. do B. enough works	C. different C. many and many C. more C. way C. easy C. at C. to build C. spaces C. be done C. work enough	D. difficulty D. more and more D. most D. games D. easier D. in D. builds D. sea D. be did D. enough work

单项选择题

用二进制数表示的计算机语言称为：

A．高级语言
B．汇编语言
C．机器语言
D．程序语言