精品一区二区免费在线观看_国产精品久久久久久av福利软件_97成人精品区在线播放_国内成人精品一区

45.A.in B.at C.on 查看更多

 

題目列表(包括答案和解析)

Recently,a solar powered(太陽能動力的)plane took to the sky for the first time.It had passed an important test on the way to travel around the world.

The plane took off from an airport in Switzerland(瑞士)at 45km an hour.It slowly rose above the fields and into the sky.

“There has never been an airplane of that kind that could fly — never an airplane so big, so light, using so little energy,” said Bertrand Piccard, a leader of the project.

During the 90-minute flight, the plane did several turns.It climbed nearly 1.6km above the countryside.

    Engineers plan to test a night flight before July.Then they will use the results of the tests to build a second plane.They plan to travel around the world in that plane in 2012.

The plane flies at 70 km an hour.That is faster than a bike and slower than a car.Piccard and pilot Andre Borschberg will take the plane around the world.The pilots will keep the plane in the air for up to five days at a time.

“We want to fly it day and night with no fuel (燃料),” Piccard said

1.How long did the first flight of the solar powered plane last?

A.45 minutes       B.60 minutes        C.70 minutes        D.90 minutes

2.What’s the most special about the plane?

A.It uses no fuel                              B.It’s the fastest plane

C.It can fly highest                            D.It’s the heaviest plane

3.Which of the following is NOT true according to the passage?

A.The plane goes much faster than a car

B.The plane took off at a speed of 45km an hour

C.Engineers plan to test a night flight before July

D.The plane will fly in the air or up to five days at a time

4.Which column(欄目)of a newspaper may the passage come from?

A.Food and Health                       B.Scientist and Technology

C.Culture and Communication              D.Sports and Entertainment

查看答案和解析>>

We are all busy talking about using the Internet, but how many of us know the history of the Internet?

Many people are ___36___ when they find that the Internet was set up in the 1960s. At that time, computers ___37___ large and expensive. Computer networks didn’t work well. If one computer in the network ___38___ down, the whole network stopped. ___39___ a new network system(系統)had to be set up. It should be ___40___ to be used by many different computers. If part of the network was not working, ___41___ could be sent through another part. In this way computer network system would keep on ___42___ all the time.

At first the Internet was only used by the government, but in the early 1970s, universities, hospitals and banks were allowed to use it too. However, computers were still very expensive and the Internet was difficult to use. By the start of the 1990s, computers became cheaper and ___43___ to use. Scientists had also developed software that made “surfing”(瀏覽)the Internet more convenient.

Today it is easy to get on-line and it is said that millions of people use the Internet every day. ___44___ e-mail is more and more popular among students. The Internet has now become one of ___45___ parts of people’s life.

1.

A.surprise

B.surprising

C.surprised

D.surprises

 

2.

A.is

B.are

C.was

D.were

 

3.

A.break

B.breaks

C.broke

D.would break

 

4.

A.Because

B.So

C.But

D.However

 

5.

A.good enough

B.well enough

C.enough good

D.enough well

 

6.

A.information

B.informations

C.an information

D.the informations

 

7.

A.work

B.to work

C.working

D.worked

 

8.

A.easy

B.easily

C.more easily

D.easier

 

9.

A.Send

B.Sending

C.To be sent

D.Sent

 

10.

A.important

B.more important

C.most important

D.the most important

 

查看答案和解析>>

Want to save money when travelling by train?
Here are some ways:
Day Returns
This ticket can save you up to 45% on the standard fare(費用). You have to travel after the rush hour period Monday—Friday, but can travel at any time on Saturday or Sunday.
Big City Savers
These are special low-priced tickets on certain trains. You have to book in advance(提前)-at the latest by 16:00 the day before you travel. It’s first come, first served.
Weekend Returns
Weekend Returns are available(有售)for most trips over 60 miles. Go on Friday, Saturday or Sunday, and return the same weekend on Saturday or Sunday, and save up to 35% on the standard fare.
Monthly Returns
These are available for most trips over 65 miles. Go any day and return within a month. Monthly returns save you up to 25% on the standard fare.
Family Rail Card
For 20 pounds this rail card allows you to take a second adult and up to 4 children for only 3 pounds each when you buy single or return tickets. You can travel as often as you like until the card becomes out of date.
【小題1】How many ways does the writer tell us to save money when travelling by train?

A.Five.B.Four.C.Three. D.Six.
【小題2】Big City Savers are special low-priced tickets on       trains.
A.certainB.returnC.weekend D.all
【小題3】Monthly Returns save you up to     on the standard fare.
A.45%B.35%C.25%D.65%

查看答案和解析>>

Want to save money when travelling by train?
Here are some ways:
Day Returns
This ticket can save you up to 45% on the standard fare(費用). You have to travel after the rush hour period Monday—Friday, but can travel at any time on Saturday or Sunday.
Big City Savers
These are special low-priced tickets on certain trains. You have to book in advance(提前)-at the latest by 16:00 the day before you travel. It’s first come, first served.
Weekend Returns
Weekend Returns are available(有售)for most trips over 60 miles. Go on Friday, Saturday or Sunday, and return the same weekend on Saturday or Sunday, and save up to 35% on the standard fare.
Monthly Returns
These are available for most trips over 65 miles. Go any day and return within a month. Monthly returns save you up to 25% on the standard fare.
Family Rail Card
For 20 pounds this rail card allows you to take a second adult and up to 4 children for only 3 pounds each when you buy single or return tickets. You can travel as often as you like until the card becomes out of date.
小題1:How many ways does the writer tell us to save money when travelling by train?
A.Five.B.Four.C.Three. D.Six.
小題2:Big City Savers are special low-priced tickets on       trains.
A.certainB.returnC.weekend D.all
小題3:Monthly Returns save you up to     on the standard fare.
A.45%B.35%C.25%D.65%

查看答案和解析>>

     week

time

Monday

Tuesday

Wednesday

Thursday

Friday

9:10

Maths

Maths

English

10:30

Chemistry

History

Chemistry

Chemistry

11:15

History

1:45

Physics

Physics

Physics

3:00

English

Maths

1.What lessons do they have at 1:45 on Wednesday?

A.Physics.               B.Chemistry               C.History                  D.Maths

2.Do they have lessons at 10:30 on Thursday?

A.Yes,they have.                                       B.No,they don’t.

C.We don’t know.                                       D.None(沒有)of the above.

3.On Friday,a physics lesson begins at ________.

A.9:10                       B.10:30                      C.1:45                      D.3:00

4.How many lessons do they have in a week?

A.10.                      B.11.                       C.12.                      D.13.

5.How many kinds of lessons do they have in a week?

A.3.                       B.4.                        C.5.                        D.6.

查看答案和解析>>


同步練習冊答案
精品一区二区免费在线观看_国产精品久久久久久av福利软件_97成人精品区在线播放_国内成人精品一区
盗摄精品av一区二区三区| 欧美性做爰猛烈叫床潮| 国产精品嫩草影院com| 成人免费视频一区| 亚洲精品日日夜夜| 欧美唯美清纯偷拍| 日韩一区精品字幕| 日韩精品一区二区在线观看| 久久99国产精品成人| 久久精品人人做人人爽97| 国产成人av在线影院| 17c精品麻豆一区二区免费| 色猫猫国产区一区二在线视频| 亚洲一区在线观看免费观看电影高清| 欧美日韩一区不卡| 久久99国产精品久久99| 国产精品热久久久久夜色精品三区| 成人av综合在线| 亚洲大片在线观看| 精品国产成人系列| av在线免费不卡| 午夜欧美2019年伦理| 精品国产1区二区| 99久久精品费精品国产一区二区| 一区二区三区四区av| 日韩一区二区中文字幕| 福利视频网站一区二区三区| 一区二区三区高清在线| 日韩欧美中文字幕公布| 丁香激情综合国产| 性做久久久久久免费观看欧美| 日韩三区在线观看| 菠萝蜜视频在线观看一区| 亚洲成精国产精品女| 久久久综合网站| 欧洲精品中文字幕| 国内精品伊人久久久久av一坑| 国产精品久久久久影视| 欧美精品久久天天躁| 高清在线观看日韩| 午夜精品久久久久久久99樱桃| 久久久美女毛片| 欧洲一区在线观看| 国产精品99久久久久| 亚洲地区一二三色| 亚洲国产精品高清| 欧美电影影音先锋| k8久久久一区二区三区 | 国产精品免费视频观看| 欧美剧情片在线观看| 成人性色生活片| 全部av―极品视觉盛宴亚洲| 国产精品久久久久久久第一福利 | 亚洲成人综合视频| 国产日产欧美精品一区二区三区| 欧美私人免费视频| 成人av高清在线| 久久精品噜噜噜成人88aⅴ| 亚洲乱码国产乱码精品精可以看 | 亚洲色图欧美在线| 精品国产第一区二区三区观看体验| 一本大道久久a久久精二百| 国内不卡的二区三区中文字幕| 夜夜嗨av一区二区三区中文字幕| 久久久久久久综合| 69堂成人精品免费视频| 色妹子一区二区| 福利一区福利二区| 精品一区二区成人精品| 亚洲va韩国va欧美va| 亚洲欧洲性图库| 国产欧美精品一区二区色综合朱莉| 在线观看91精品国产麻豆| 色婷婷激情久久| 成人在线视频一区二区| 精品一区二区三区av| 午夜精品福利一区二区三区蜜桃| 亚洲视频每日更新| 国产亚洲1区2区3区| 日韩女优制服丝袜电影| 在线电影一区二区三区| 欧美影视一区二区三区| 99视频精品免费视频| 国产精品伊人色| 久久av老司机精品网站导航| 亚洲123区在线观看| 一区二区三区资源| 国产精品五月天| 国产亚洲精久久久久久| 精品国产99国产精品| 538在线一区二区精品国产| 91黄色免费版| 色婷婷av久久久久久久| av在线不卡网| www.视频一区| 风间由美中文字幕在线看视频国产欧美 | 日本欧美一区二区在线观看| 亚洲精品免费在线观看| 国产精品无码永久免费888| 国产午夜精品一区二区三区嫩草| 欧美成人欧美edvon| 69成人精品免费视频| 欧美精品一卡两卡| 欧美日韩一区二区三区不卡| 在线视频中文字幕一区二区| 91亚洲国产成人精品一区二三| 成人黄色a**站在线观看| 成人性生交大合| 粉嫩aⅴ一区二区三区四区| 国产激情精品久久久第一区二区| 国产最新精品精品你懂的| 精品一区二区三区免费视频| 久久福利视频一区二区| 老司机一区二区| 国模无码大尺度一区二区三区| 久久精品理论片| 国产一区在线视频| 激情久久五月天| 国产精品77777竹菊影视小说| 国产在线乱码一区二区三区| 国产精品原创巨作av| 国产激情91久久精品导航| 国产精品白丝av| www.综合网.com| 色天天综合久久久久综合片| 欧美吞精做爰啪啪高潮| 7777精品伊人久久久大香线蕉经典版下载 | 92国产精品观看| 欧美午夜影院一区| 欧美一区二区三区四区视频| 精品美女一区二区| 国产日韩精品一区二区三区在线| 欧美高清在线精品一区| 亚洲欧美另类图片小说| 亚洲成av人片在线观看无码| 日本aⅴ免费视频一区二区三区| 麻豆精品新av中文字幕| 国产精品一级片在线观看| 99久久99久久精品国产片果冻| 欧美制服丝袜第一页| 欧美一区二区精美| 国产欧美视频一区二区| 亚洲女人小视频在线观看| 成人av中文字幕| 色婷婷香蕉在线一区二区| 欧美福利视频一区| 久久久精品日韩欧美| 日韩美女视频19| 水蜜桃久久夜色精品一区的特点 | 色系网站成人免费| 欧美电影在哪看比较好| 免费的成人av| 丁香天五香天堂综合| 在线观看精品一区| 精品国产91久久久久久久妲己 | 大胆亚洲人体视频| 欧美午夜一区二区三区免费大片| 日韩欧美高清一区| 亚洲欧美怡红院| 日本中文字幕一区| 成人av影院在线| 制服丝袜av成人在线看| 欧美国产日产图区| 亚洲成人一区在线| 麻豆国产一区二区| 国产精品一区二区久久精品爱涩| 不卡高清视频专区| 国产成人精品亚洲日本在线桃色 | 国产91对白在线观看九色| 日本精品裸体写真集在线观看| 日韩一级高清毛片| 中文字幕亚洲在| 久热成人在线视频| 91美女在线看| 欧美精品一区二区三区蜜臀| 一区二区三区精品| 国产一区二区在线视频| 欧美性视频一区二区三区| 久久精品日韩一区二区三区| 亚洲一区二区av在线| 国产麻豆精品95视频| 一本到不卡精品视频在线观看| 日韩一区二区三区在线视频| 亚洲欧洲韩国日本视频| 久久精品国产成人一区二区三区 | 久久影音资源网| 亚洲18女电影在线观看| 成人成人成人在线视频| 男女男精品视频| 99久久精品费精品国产一区二区| 日韩午夜电影av| 一区二区三区国产| 成人动漫av在线| 欧美精品一区二区三区蜜桃 | 国产精品18久久久久久久久| 欧美精品aⅴ在线视频| **性色生活片久久毛片| 国产精品一卡二| 日韩一二三区不卡| 亚洲一区二区三区激情|