题目列表(包括答案和解析)
What’s a blog? A blog is a personal online diary(日记). It’s cool, it’s hot, and everyone is doing it. People talk about it often. Sound like a fashion? In fact, It’s another trend (流行趋势). And the word “blogger” means a person who writes diaries online. Are you a blogger?
Many bloggers are teenagers who log (进入) onto websites to discuss anything in their lives. Many of today’s teenagers are not afraid to openly discuss everything in their lives. Teenagers complain about their parents and homework. They share diaries, post(发布) songs from the latest bands and show pictures of theirs. They write their own poems, say something about their girlfriends or boyfriends and complain to each other or offer support. But mostly they just write down what they do every day.
However, many parents are worried about these young bloggers. Parents see the kids talking about how they got drunk last weekend and how they don’t like studying. They are using the language that is surprising to their parents. Besides hearing from their friends, teen bloggers also get messages from strangers. Most of the time, it’s older men asking to meet teenage girls. “These strange men are dangerous for my kids. They sometimes teach my kids bad words.” said Cara Cabral, a mother of two children.
Many teenagers and young adults know it’s not safe to use blogs on the Internet. They know they are putting information about themselves in a place where it can be seen by anyone. But teenagers are unwilling to give up these new communication tools that have become a way of life for many of them.
【小题1】 The underlined word “it” in the first paragraph means ________.
A. the fashion B. the Internet C. the blog
【小题2】 Which of the following is NOT TRUE?
A. Teenagers don’t tell about their personal life in their blogs.
B. Teenagers mostly write down what they do every day in their blogs.
C. Teenagers complain about their parents and homework in their blogs.
【小题3】 What’s the main idea of the third paragraph?
A. Many parents don’t understand kids’ language in their blogs.
B. Many parents are worried about these young bloggers.
C. Many parents can understand why their kids don’t like studying.
【小题4】 Many parents think it’s for their children to get messages from strangers.
A. dangerous B. interesting C. surprising
【小题5】 We can learn from the last paragraph that .
A. It’s easy for many teenagers to give up blogging on the Internet
B. It’s safe for many teenagers to put their personal information on the Internet
C. It’s popular for many teenagers to use blogs on the Internet
What’s a blog? A blog is a personal online diary(日记). It’s cool, it’s hot, and everyone is doing it. People talk about it often. Sound like a fashion? In fact, It’s another trend (流行趋势). And the word “blogger” means a person who writes diaries online. Are you a blogger?
Many bloggers are teenagers who log (进入) onto websites to discuss anything in their lives. Many of today’s teenagers are not afraid to openly discuss everything in their lives. Teenagers complain about their parents and homework. They share diaries, post(发布) songs from the latest bands and show pictures of theirs. They write their own poems, say something about their girlfriends or boyfriends and complain to each other or offer support. But mostly they just write down what they do every day.
However, many parents are worried about these young bloggers. Parents see the kids talking about how they got drunk last weekend and how they don’t like studying. They are using the language that is surprising to their parents. Besides hearing from their friends, teen bloggers also get messages from strangers. Most of the time, it’s older men asking to meet teenage girls. “These strange men are dangerous for my kids. They sometimes teach my kids bad words.” said Cara Cabral, a mother of two children.
Many teenagers and young adults know it’s not safe to use blogs on the Internet. They know they are putting information about themselves in a place where it can be seen by anyone. But teenagers are unwilling to give up these new communication tools that have become a way of life for many of them.
1. The underlined word “it” in the first paragraph means ________.
A. the fashion B. the Internet C. the blog
2. Which of the following is NOT TRUE?
A. Teenagers don’t tell about their personal life in their blogs.
B. Teenagers mostly write down what they do every day in their blogs.
C. Teenagers complain about their parents and homework in their blogs.
3. What’s the main idea of the third paragraph?
A. Many parents don’t understand kids’ language in their blogs.
B. Many parents are worried about these young bloggers.
C. Many parents can understand why their kids don’t like studying.
4. Many parents think it’s for their children to get messages from strangers.
A. dangerous B. interesting C. surprising
5. We can learn from the last paragraph that .
A. It’s easy for many teenagers to give up blogging on the Internet
B. It’s safe for many teenagers to put their personal information on the Internet
C. It’s popular for many teenagers to use blogs on the Internet
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短文填空
Ancient numbers
In ancient 1 , people wrote numbers in many different 2 , 3 these pictures of the number 6 show. 4 , they nearly all counted in the same way-in 5 .
Zero
The system of numbers that nearly everyone uses today 6 of the numbers from 1 to 9 and 0 7 these ten numbers, we can write any number from the biggest to the smallest.The Indians 8 invented and developed the 1 to 9 system of numbers.They then invented the zero.This was a very important 9 because it made it easier to write big numbers and to 10 .
Calculating machines
One of the first calculating machines was an 11 .Abacuses are so fast and accurate that people still use them today.On the abacus in the picture, the beads on the wires 12 ones, tens, hundreds and thousands, starting from the 13 wire.
The picture on the right shows a modern electronic calculator.It can add, subtract, multiply and divide.It can also calculate percentages and 14 roots.
This picture shows a computer.Computers are very 15 calculating machines.In a flash, a computer can do a calculation that you could not do in your whole lifetime.
Brain against computer
Some people call the brain a 16 computer.Is a human brain a more powerful 17 than a computer? The following story may give you an answer.
Shakuntala Devi is a lady from India with an 18 brain.She can calculate like lightning.In America, Shakuntala and a very powerful computer were given this problem to solve.
Shakuntala's brain took fifty seconds to find the answer.The computer took a minute.However, before the computer could begin 19 , someone had to program it with instructions, and that took many hours.No one had to 20 Shakuntala!
1.________ 2.________ 3.________ 4.________ 5.________
6.________ 7.________ 8.________ 9.________ 10.________
11.________ 12.________ 13.________ 14.________ 15.________
16.________ 17.________ 18.________ 19.________ 20.________
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