试题与答案

小华在超市买了3包薯片和2盒果冻,一共花了12.9元.已知每包薯片比每盒果冻多花

题型:解答题

题目:

小华在超市买了3包薯片和2盒果冻,一共花了12.9元.已知每包薯片比每盒果冻多花2.3元,每包薯片多少元?

答案:

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参考答案:D解析:此题是面部发育过程的判断题。面部是由下颌突、上颌突、侧鼻突和中鼻突(包括球状突)联合形成的。随着胚胎发育,约在第6周,已形成的突起与相邻的或对侧的突起联合。两个球状突中央部分联合,...

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题型:阅读理解

I began to send my first e-mail when I was 17. I discovered Google 5 years later. Now, I use the Internet all the time. Internet has become so popular that 90 percent of 12-to-17-year-olds in the United States use the Internet, according to one recent survey, and about half of those kids use it every day. They visit chat rooms and send e-mails. They go to Websites to get information for homework.

“Kids are now living in a virtual(虚拟的) world,” says Greenfield, “As the Internet is becoming more and more important for our life, we should worry about one question: Is the Internet good or bad for kids?”

“It’s X to answer the question because the Internet involves so many things,” says Justine, a media expert at Northwestern University. “They include networked computer games, news about politics, instant messaging and e-mails to your grandmother. ” So, more and more studies shows that the online world can be helpful in some ways and dangerous in others.

“Although it’s not easy to tell whether it’s good or bad,” says Justine, “the Internet, at least, is very useful and can be used widely by everyone in the world. ”

1. What percentage of American 12-to-17-year-olds use the Internet every day?

A. About 45%        B. About 50%         C. About 80%        D. About 90%

2.. Greenfield _______.

A. is an expect from Northwestern University

B. wants to stop all the kids from using the Internet

C. is worrying about whether the Internet is good or bad for kids

D. thinks that the Internet is good or bad for kids

3. “X” in the passage should be the word “_______”.

A. possible          B. difficult            C. easy             D. good

4. Which is the best title of the passage?

A. Don’t Use the Internet                        B. Kids and Emails

C. Is the Internet Good or Bad                    D. Two Experts from Universities

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