问题 选择题

下列关于气候的叙述错误的是(  )

A.气候的两个基本要素包括气温和降水

B.纬度越低的地方获得太阳辐射越少,因而气温越低

C.山地的迎风坡降水较多

D.人类过量排放二氧化碳会导致全球变暖

答案

A:气温和降水对生活和生产影响最大,是我们最为关注的气候要素,选项叙述正确,不符合题意

B:影响气温高低最重要的因素是纬度因素的差异,这直接导致了接受太阳辐射的不同,选项叙述错误,符合题意

C:湿润空气水平运动时,遇到山地,暖湿气流被迫沿山坡爬升,随着海拔升高,气温下降,水汽凝结,在迎风坡产生降水,我们叫地形雨,选项叙述正确,不符合题意

D:如果过多的向空气中排放二氧化碳气体,会引起温室效应,选项叙述正确,不符合题意.

故选:B.

单项选择题
阅读理解

.

The Internet has become part of teenager life.

A new report on 3,375 students aged from 10 to 18 in seven Chinese cities found that 38 percent of them believe they use the Internet often.

While most of them get useful information and use the Internet to help in their studies, some are not using it in a good way.

In order to help young people use the Internet in a good way, a textbook on good Internet behavior(行为) has started to be used in some Shanghai middle schools this term. The book uses real examples to teach students all about good ways of using the Internet. The book gives useful advice such as it is good to read news or find helpful information to study.

Some students also make online friends. But if you are meeting a friend offline, make sure your parents know. Teachers and parents all think the book is of great help. A teacher said the book would be a guide for teens using the Internet. She believes it will keep students away from bad sites. “Many students are using the Internet without guidance from their parents,” she said. “The book will teach students how to be a good person in the online world.”

60. The textbook mainly tells us ____.

A. why we should use the Internet B. how to study using the Internet

C. how to use Internet correctly    D. how to get help from others

61. What’s the attitude(态度) of teachers and parents towards the textbook?

A. They are against it.                         B. They are for(支持) it.

C. The passage doesn’t mention.      D. They don’t care about it.

62. According to the passage, teenagers are NOT encouraged to ____.

A. read online news      

B. go online

C. find helpful information online

D. meet a friend offline without letting their parents know

63. From this passage we know that ____.

A. more and more students have given up visiting bad Web sites

B. schools and teachers begin to pay attention to students’ use of the Internet.

C. no more homework will be given in Shanghai middle schools

D. less and less information can be found on line