We can ride bikes to work rather than driving to p________ the air pollution.
地球以外是否存在生命
Is there intelligent life on other planets? For years, scientists said “No” or “We don't know”. Although they thought so, today, this is changing. They, Seth Shostak and Alexandra Barnett, believe that there is intelligent life in somewhere in the universe.
Why do Shostak and Barnett think there is intelligent life on other planets? The first reason is time. Scientists believe the universe is about 12 billion years old. This is too long for only one planet in the whole universe to have intelligent life. The second reason is size—the universe is huge. Our galaxy (星系), the Milky Way, has at least 100 billion stars. Some planets that circle these stars might be similar to Earth.
Until recently, it was difficult to search for signs of intelligent life in the universe. But now, powerful telescopes (望远镜) allow scientists to identify (辨认) many more small planets—the size of Mars or Earth—in other solar systems.
Have life beings from space already visited Earth? “Probably not，” says Shostak，“The distance between planets is too great. In_fact,_they_could_be_trying_to_communicate_with_us_now. But we may not have the right tools to reply to their messages. But within the next 20 years, we could make contact with other life forms in our universe.”
1题完成句子；2～3题简略回答问题；4题找出并写下第二段的主题句；5题将文中画线句子译成汉语。
1.Scientists Seth Shostak and Alexandra Barnett think there is _________ in the universe.
2.What are the two reasons that scientists think there is life existing in the universe?
________________________________________________
3.How do scientists search for signs of life in the universe?
____________________________________________________
4.____________________________________________________
5.____________________________________________________
Recently, a junior high school sent several students back home because they broke the school uniform rules. Should students wear school uniforms? The Young World magazine held a discussion on this topic.
Kennedy: The school uniform is very important, because it always reminds me that I am supposed to go out of my way to study hard. It also helps prevent school bullying(欺凌). If everyone wears the same clothes, it is impossible to laugh at other people's clothing.
Manson: The uniform has to be earned through efforts. Students should start school with no uniforms. As they make progress at school, they start wearing it. I always think children need to be proud of their school. The uniform is important for that. So, make students earn it! If they don't perform well, they should not be allowed to get one.
Moorhead: In my opinion, kids don't have to wear uniforms. There should be more choices open to kids in education. They ought to develop their own independence and just be themselves. Their personalities would be expressed through their own clothes at school. And different dress could be one way of showing their understanding of beauty. Besides, they make the school lively and colorful.
Patrick: I can see the advantages of wearing school uniforms. They play a very important role in managing schools. However, a school should not depend heavily on uniforms to improve students' behaviors. Teaching them how to express themselves with confidence is more important.
1.What is Kennedy in the second paragraph?
A.A student. B.A teacher. C.A parent. D.A worker.
2.Which of the following is TRUE according to Moorhead's opinion?
A.Students have the right to get school uniforms for free.
B.Students should be encouraged to earn school uniforms.
C.Students performing well needn't wear school uniforms.
D.Students can choose if they wear school uniforms.
3.The underlined word“earned”in the passage means“________”．
A.lost B.missed C.packed D.got
4.According to Patrick, what is more important?
A.Managing schools by uniforms.
B.Improving students' behaviors.
C.Helping students express themselves confidently.
D.Helping students get more scores.
5.The purpose of the writer writing this passage is to ________.
A.discuss about the design of the uniforms
B.discuss whether students should wear uniforms or not
C.discuss about the benefits of wearing uniforms
D.criticize the school policy of requiring students to wear uniforms
(2019唐山市路南区二模)You'd better not ________ to your mother. She just wants to give the best to you.
A.turn down B.talk back C.put off D.end up
Home is where the heart is. I can get ________ from my parents there.
A.support B.choice C.punishment D.expression
(2018抚顺) Your advice is very ________ to me. I'm sure our activity will be more meaningful.
A.terrible B.comfortable C.impossible D.valuable
