A Cloud of Hope and Danger
A small cloud floats through the air in a hospital operating room. In the room a patient, suffering from cancer, lies on a table. The cloud surrounds(包围) the patient, covering her body and filling her lungs(肺). The cloud is not smoke or steam. It is made of millions of microscopic robots called nanorobots(纳米机器人). These tiny robots move from cell(细胞) to cell in the patient’s body, destroying the cancer.
Fighting cancer with nanorobots is only an idea today, but scientists say that it could be possible in the future. Using nanorobots for good purposes such as fighting disease or repairing the environment may be the solution to many of today’s problems.
However, nanorobots could be a dangerous risk as well. Since nanorobots are so tiny, they will have to work in large teams of many thousands to many millions. For this reason, nanorobots will have to be programmed to build themselves. Scientists will not have the ability to build millions of nanorobots one by one.
This ability to reproduce is making some scientists worried. What if something goes wrong in the programming? Quite a lot of crazy nanorobots would be far worse than any disease. Some people think that if they get out of control, nanorobots could destroy the Earth.
What should be done? Should we continue researching nanorobots or should we search for other methods? This is one of the many difficult decisions that we have to make in the future.
1.What is the cloud in the passage, smoke and steam or microscopic robots?
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2.What can be the good use of nanorobots for us?
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3.Why will nanarobots have to work in large teams?
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4.What makes it possible for nanorobots build themselves?
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5.Can you give the passage another title?
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6.Are you for or against using nanorobots in the future? Why?
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1.Microscopic robots. 2.Fighting disease or repairing the environment. 3.Because they are so tiny. 4.The ability to reproduce. 5.Whether we should research nanorobots or not. 6.Any reas...
长江作业本同步练习册系列答案科目：初中英语 来源：牛津译林版八年级下英语期末考试专题练习-书面表达 题型：材料作文
社会不断在发展进步，成绩好已经不再是衡量一个好学生的唯一标准。某校正在开展“走进新时代，争当合格中学生”的大讨论，以“We act，we improve”为主题，写一篇演讲稿，谈谈你觉得除了学习课本知识之外，我们还应该做些什么？提示如下：
平时 | 1.学会照顾自己, 高标准工作，谦虚，易于合作； 2.有好的阅读习惯，提高自己； 3.注意保护环境，不乱丢垃圾，步行或骑自行车上学； 4.懂餐桌礼仪，举止文明......(自由发挥1-2句) |
空余时间 | 1.关注残疾人，给他们向公众展示技能的机会； 2.欣赏大自然的美，理解保护大自然的重要性。 |
总结 | ……(1-2句) |
要求：1. 注意人称和时态。
2. 要点齐全，可适当增加细节使句子通顺、连贯。
3. 不要逐字翻译，词数100左右，开头已给出，不计入总词数。
With the development of the society, to learn well is not the only thing a student should do. To be a qualified(合格的) middle school student, I think we have a lot of things to do.
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With the development of the society, to learn well is not the only thing a student should do. To be a qualified(合格的) middle school student, I think we have a lot of things to do. First, we usually ...查看答案和解析>>
科目：初中英语 来源：湖北省2018届九年级中考预测英语试卷（一） 题型：语法填空
单词拼写 根据句意或首字母或括号里汉语或单词提示，把所缺单词写在横线上，并注意其变换形式。
1.She ________(答应) to buy you a gift yesterday.
2.It snowed heavily last night and the ground ______________(覆盖) with white snow.
3.The harder you study, the better _______ (achieve) you will get.
4.When they saw the sun rising, they jumped up and down in e_______.
5.It is not _______ (usually) for teenagers nowadays to study for 16 hours a day.
6.Music and lighting are often used to e________ customers to buy more.
7.It remains to be seen w_______ or not this idea can be put into practice.
8.I s___________ going out for a walk after supper, and everyone agreed.
9.He is in hospital and has been a______ from his desk for two weeks
10.I broke my glasses yesterday. I have to get them __________(repair) before my class begins
1.promised 2.was covered 3.achievement 4.excitement 5.unusual 6.encourage 7.whether 8.suggested 9.absent 10.repaired 【解析】 1.句意：她昨天答应给你买一件礼物。promise动词，允诺，promise to do ...查看答案和解析>>
科目：初中英语 来源：牛津译林版七年级下英语期末考试专题练习-句型转化 题型：句型转换
1.He went to bed. He didn’t have supper last night. (句意不变，合并成一句)
He went to bed ______________________ last night.
2.They met some of their classmates last week. (用next week改写句子)
They ________________ some of their classmates next week.
3.My brother did his homework carefully.(否定句)
My brother _____________ his homework carefully.
4.Our school is very beautiful.（改为感叹句）
_____________ our school is！
5.—Could I smoke here？（完成否定回答）
—Sorry，____________________________
6.I got a letter from my parents yesterday. （改为同义句）
I_____________ my parents yesterday.
7.We should do our best to learn English well.（改为同义句）
We should____________________ to learn English well.
8.Put something hot into the rubbish bin.（改为否定句）
____________________________into the rubbish bin.
9.We can stop a fire with a blanket .（改为同义句）
We __________________ to stop a fire with a blanket
10.What beautiful flowers they are!（改为同义句）
_________________________the flowers are!
1. without having supper 2. will meet 3. didn’t do 4. How beautiful 5. I’m afraid you can’t 6. heard from 7. try our best 8. Don’t put anything hot 9. are able 10. How beaut...查看答案和解析>>
科目：初中英语 来源：2018年上海中考英语二模D篇汇编 题型：多任务混合问题
How to be a safe and smart SEARCHER
S
everal keywords will help to find better results. Use more than one keyword when you are doing a search. If you want to find out about seagulls, for example, search for 
and not just ‘seagull’ – because seagull might also be the name of just about anything else, from a hotel to a documentary film.
E
xact references can help you find what you’re looking for. If you are looking for an exact phrase or sentence, e.g. 
, type it between quotation marks (“”) and only exact matches will be shown. This is useful when you want to find something you’ve already seen but lost.
A
void common words like ‘a’ or ‘the’ in a search. These aren’t always helpful and are usually unnecessary.
R
emove unwanted results by adding a minus symbol (-). For example,
would leave out all references to hotels and films.
91 . Make sure that you spell every word in the search box correctly. The smallest typing mistakes can bring unwanted results - especially when the mistyped word exists.
H
ave a filter（过滤程序）. It’s a good idea to filter your searches, especially when you are searching for pictures. Ask an adult to help you add a filtering system. There are lots of filtering software options available.
E
xperiment with different search engines until you find the one that’s best for you. Some search engines personalise the results. So check out the option of using a search engine that doesn’t do this and you will get different results.
R
eliability is very important when you are searching on the Internet. Always ask yourself, “Is this reliable?” Don’t make the mistake of believing everything you see. Some websites are unreliable and some information is false. Check your information on other websites before accepting it.
1.This is an article written for adults, isn’t it?
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2.If you want to find out about peaches, what keywords may help you find better results?
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3.How can we get exact matches when we are looking for an exact phrase?
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4.What can be filled in the blank?
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5.What is especially important for picture searches?
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6.Write three DON’Ts about safe and smart search.
Don’t _____________________________.
Don’t _____________________________.
Don’t _____________________________.
1.No, it isn’t. 2.Fruit peach. 3.By typing the phrase between quotation marks./By using quotation marks. 4.Check your spelling (carefully). /Correct spelling. 5.Filter software. 6.Don’t...查看答案和解析>>
科目：初中英语 来源：2018年上海中考英语二模D篇汇编 题型：回答问题
After his Master Chef Junior run, 12-year-old Evan Robinson is using his kitchen skills to raise money for Puerto Rico（波多黎各）. The TV show winner wanted to offer help after hurricanes（飓风）hit the country last September.
I’ve been seeing, all over the news, people lived too hard,”Evan said.“They can’t get fresh water, electricity. They can’t get really anything. I know I’m just a kid, but I think if a lot of people do something, a lot of things will get better.”
He raises money by baking and taking online orders for homemade pies. He started cooking on a recent Friday night. By the next Sunday evening, he had filled orders for 420 pies—roasted chicken, cheeseburger and vegetarian—getting $18 for six pies and $30 for a dozen.
For Evan’s out-of-town friends and supporters, he has also set up a crowdfunding（众筹）page. Through it, he’s already raised $1,500 in“virtual（虚拟的）pies”. He said fruit pies are up next.
His mom, Veronica Robinson, is in charge of delivering the pies around the city.“We’ve never done anything like this before,”she said.“But it’s a great idea, so I want to help him.”
His baking will continue as well. This is because he heard on the news that it would take Puerto Rico years, maybe even 10 years, to recover（恢复）from the hurricanes.
It’s not an easy job, especially for a kid with homework and Boy Scouts and friendships to tend to. But he doesn’t seem worried.“It’s what we’re supposed to do,”he said.“I’m a human. They’re humans. Why shouldn’t help them?”
1.Evan Robinsons was a TV show winner, wasn’t he?
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2.What happened in Puerto Rico last September?
Puerto Rico ____________________________________________________
3.How does Evan raise money for Puerto Rico?
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4.What does Evan’s mother do to help him?
She helps him __________________________________________________
5.Why will Evan continue his baking?
Because _______________________________________________________
6.Do you like to be a child like Evan Robinson? Besides donating money, what else can you do to help the poor?
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1.Yes, he was. 2.was hit by hurricanes. 3.By baking and taking online orders for homemade pies. 4.deliver the pies around the city. 5.he heard on the news that it would take Puerto Rico ye...查看答案和解析>>
科目：初中英语 来源：八年级下 Unit 9 Have you ever been to a museum 测试卷 题型：完型填空
John was ten years old, but he was still _______Grade One. He liked _______and didn’t work hard _______his lessons. His parents always wanted him_______a good boy.
This afternoon John _______back, he was very happy. He said to his parents, “Today our teacher praised（表扬） _______.”Of course his parents were happy, too. They said, “Tell us about it.” “ _______class she asked Tom _______easier question, but he couldn’t answer. And I answered it at once”.
“What question?”
“How much is one_______ one?”
“What did your teacher praised you?” asked his parents.
She said to Tom, “You’re the most foolish（愚蠢）student in our class and John is ________ than you.”
1.A. at B. on C. in D. with
2.A. played B. to play C. play D. is playing
3.A. in B. at C. for D. with
4.A. to be B. be C. become D. is
5.A. come B. are coming C. comes D. came
6.A. I B. my C. me D. mine
7.A. At B. In C. On D. For
8.A. a B. an C. the D. /
9.A. to B. and C. by D. with
10.A. good B. the best C. best D. better
1.C 2.B 3.B 4.A 5.D 6.C 7.B 8.B 9.B 10.D 【解析】 文章讲述了小约翰的故事。 1.句意：他仍然在一年级。根据be in +班级/年级/学校，故选C。 2.句意：他喜欢玩。根据like to do sth喜欢做某事，故选B。 3.句意：不努力学习。根据work hard at ...查看答案和解析>>
科目：初中英语 来源：山东省威海市2018年中考英语试卷 题型：语法填空
四、完成句子
根据所给汉语句子完成英语句子，词数不限。请将答案填写在答题卡指定位置。
1.新加坡( Singapore)年有几个季节?
2.这些花儿多长时间浇一次?
3.足球比网球更普及，但网球是我的最爱。
4.Mike，别忘了告诉我咱们在哪里碰面。
5.如果我们想要在10点钟到达，我认为没有必要这么早出发。
6.Tom上个月向我借了一本词典，但是到现在还没归还。
1.How many seasons are there in Singapore in a year? 2.How often are the/these flowers watered? How often do the flowers need watering/need to be watered? How often will the flowers be watere...查看答案和解析>>
科目：初中英语 来源：人教八年级下英语Unit 5 测试卷 题型：单选题
.---Dad, could you please drive ?
---No hurry. We have enough time before the plane takes off.
A. faster B. fastest
C. more slowly D. more carefully
A 【解析】 试题句意：请你开快点好吗？---别急，在飞机起飞前我们还有足够的时间。根据题意应用比较级，A. faster 更快 B. more slowly 更慢 C. more carefully更仔细，故选A。查看答案和解析>>
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