Waves of red light are about twice as long as of blue light.A. those B. that C. it D. Ones 题目和参考答案——青夏教育精英家教网—

题目内容

Waves of red light are about twice as long as _______ of blue light.

A. those B. that C. it D. Ones

【解析】

试题分析：考查指示代词。句意：红光的波长是蓝光波长的两倍长。在比较级中，指代比较对象时，单数用that，复数用those，这里的比较对象是waves，故选A。

考点：考查指示代词

练习册系列答案

相关题目

They’ll be here soon. ______ we’ll have some coffee.

A. Moreover B. However C. Otherwise D. Meanwhile

E-mail, as well as telephones, _______an important part in our daily communication.

A. play B．have played C．are playing D. is playing

Norway—Ten Chinese college students arrived at the country’s Arctic research base, the Yellow River Station, on Friday.

On Saturday，the students are expected to witness the end of four months of darkness in the area, as the sun makes a rare appearance.

During their four-day stay at the station，the students will meet and learn from some of China’s leading polar researchers．They were welcomed at the station yesterday by its director，He Jianfeng, who is an expert on marine micro-ecosystems．

The students will also visit the German and Norwegian stations and meet researchers there．

As for entertainment, the visitors will get the chance to play ice hockey at the world’s most northerly stadium．

Among the visitors is Zheng Li，a student majoring in telecommunications at Dalian Maritime University．

“It is so exciting to see how the Chinese researchers work in the world’s most northerly laboratory，”she said．

“This opportunity is precious．Most people will never get the chance to travel so far from home and visit such an amazing place．It’s a once-in-a-lifetime thing.”

Wu Jinyou，head of the Polar Research Institute of China，and the group’s leader，said，“I hope the students have not only a field trip to the Yellow River station，but are also touched by the devotion and spirit of the Chinese researchers here. I also expect in the future，some of them will choose to devote themselves to polar research and maybe even work with us.”

The students have been in Norway since February 28，and were given Arctic training before moving to the station．

The Arctic expedition is one of the several international cooperation and exchange activities forming the China Program for International Polar Year(2007-08)．It was launched last March．

1.Which of the following is true about Wu Jinyou?

A. He is a graduate from Dalian Maritime University．

B. He is the leading polar researcher working at the research station．

C. He is sure that all the ten students will make good polar researchers．

D. He thinks highly of the devotion and spirit of the Chinese researchers．

2.What does Zheng Li mean by saying“It’s a once-in-a-lifetime thing”?

A. It’s exciting to see the sun rise in Arctic area．

B. The trip to the research station is extremely exciting．

C. Playing ice hockey in Arctic area is really a life-long memory．

D. People are only allowed to visit the station once in their lifetime．

3.Which word can most probably replace the underlined word “launched”?

A. ended B. stopped C. started D. performed

4.What could be the best title of the news report?

A. Chinese Students Arrive at Arctic Station.

B. Chinese Students Do Research in Norway.

C. Chinese Students Play Ice Hockey at Arctic Station.

D. Chinese Students Receive Training at Arctic Station.

______ no bus, we had to take a taxi to go to the station.

A. There was B. There to be C. There had been D. There being

David had prepared carefully for the chemistry exam, as he wanted to be sure of passing it at the first _____.

A. experiment B. intention C. aim D. attempt

WHAT happens to a teenage kid when the world he thought he knew suddenly changes? Find out in Little Brother by American author Cory Doctorow. It is a fascinating book for a new generation of sci-fi readers.

Marcus Yallow, 17, from San Francisco is much more comfortable in front of a computer than obeying the rules of society. Smart, fast and wise to the ways of the networked world, he has no trouble outwitting （骗过） his high school's monitoring system. This way he and his friends get to head off to play a popular online game in real life.

While they are playing, a bomb explodes on the Bay Bridge. Marcus stops a military vehicle to get help for his injured friend, but this simple act throws him into a Department of Homeland Security （DHS） secret prison.There he is treated as a possible terrorist. He is eventually let go after four days, but his injured friend disappears.

When he returns, Marcus discovers that there are many "security measures" in place and that now all citizens are treated like potential terrorists.While some consider this government action necessary for public safety, Marcus sees this as a complete destruction of the rights he is supposed to have as a citizen.

He knows that no one will believe his story, which leaves him with only one thing to do: to take down the DHS himself. He helps organize a large network called Xnet to spread the truth, anonymously(匿名地).

The book presents a young man who is irresponsible, but learns about himself, and grows, in the course of the story. As part of this learning and growing he becomes aware of very serious issues about his society.

1.What kind of article does this passage belong to?

A. A fascinating story.B. A book review.

C. A news report.D. A TV programme.

2. Marcus Yallow was sent to prison because________.

A. he killed his friend

B. he bombed a military vehicle

C. he did something that a possible terrorist could do

D. his injured friend disappeared

3.From the second paragraph we can infer that______.

A. Marcus Yallow is much more comfortable obeying the rules of society

B. Marcus Yallow is smart, fast and wise in real life

C. Marcus Yallow always plays online games in real life

D. Marcus Yallow is expert at the network world

4.In the end of the book, Marcus Yallow __________.

A. is supposed to be more irresponsible

B. becomes aware of very serious issues about his society

C. presents a young man who is irresponsible

D. plays a popular online game in real life

We are sparing no efforts to create _____ more peaceful and more advanced world, ____ place where everyone enjoys his life and freedom.

A. a; a B. /; the C. the; a D. the; the

When you talk about a person’s _____, you are referring to the country, race, or social class of their parents or ancestors.

A. origin B. nationality C. generation D. relation

试题分类