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组卷网 > 初中英语综合库 > 主题 > 人与社会 > 科普知识与现代技术 > 科普知识
题型：完形填空 难度：0.65 引用次数：44 题号：16510584

An Accidental Invention

Did you know that tea, the most popular drink in the world (after water), ________ by accident?

Many people believes that tea was first drunk nearly 5,000 years ago. ________ a Chinese ruler called Shen Nong was the first to discover tea as a drink. One day Shen Nong was boiling drinking water ________ an open fire. Some leaves from a tea plant fell into the water and remained there for some time. It produced a nice smell so he tasted the brown water. It was quite delicious, and so, one of the world’s favorite drinks was invented. ________ thousand years later, Lu Yu, “the saint of tea”, mentioned Shen Nong in his book Cha Jing. The book describes how tea plants were ________ and used to make tea.

It also discusses where the finest tea leaves were produced and what kinds of water were used.

1.
A．inventedB．was inventedC．invent
2.
A．It saysB．It saidC．It’s said that
3.
A．overB．underC．up
4.
A．A fewB．FewC．A little
5.
A．growB．grownC．grew
21-22八年级上·黑龙江绥化·期末 查看更多[1]
更新时间：2022-08-09 10:25:36 |
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【知识点】 科普知识 饮料

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科普知识饮料
完形填空(约180词) | 适中 (0.65)
文章大意：本文主要讲述了宇航员在太空中因为失重腿部不能正常行动的缘由。

【推荐1】Chinese astronauts Zhai Zhigang, Wang Yaping and Ye Guangfu have finished their six-month space journey, and they returned to Earth _________ on Saturday.

People are asking if they are in good condition, _________ they didn’t climb out of the capsule (太空舱) but were carried out by others. Many Chinese asked on the Internet when the astronauts can stand up on _________ own. But it turns out that the answer can be difficult to understand.

Scientists tell that people live on the _________ with gravity (重力) and they can exercise their legs while standing. But in the outer _________ , because of the zero gravity environment, they may feel _________ and they even can’t taste or smell, so they have to _________ every day. However, even if they have different kinds of training exercises, it can still not stop the bad results from happening, either. What’s more, the _________ they stay outside, the more serious their condition will be. And their legs are like those of very _________ people. So standing and walking right after such long time space travel could break the __________ of the astronauts.

Luckily, the astronauts will get well again with better food and training.

1.
A．loudlyB．safelyC．seriouslyD．suddenly
2.
A．becauseB．whileC．soD．although
3.
A．ourB．hisC．herD．their
4.
A．spaceshipB．earthC．InternetD．moon
5.
A．roomB．coatC．spaceD．star
6.
A．activeB．thirstyC．awfulD．hungry
7.
A．exerciseB．eatC．sleepD．laugh
8.
A．shorterB．betterC．fartherD．longer
9.
A．oldB．youngC．beautifulD．ugly
10.
A．wordsB．armsC．rulesD．legs
2022-07-26更新 | 223次组卷
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完形填空(约180词) | 适中 (0.65)
文章大意：本文讲述了沙漠的地理环境以及在那里生活的人们的情况。

【推荐2】You may think there is only sand in the desert of the world, but it is not true. In the desert, as we know, there is a little ____ and it is not ____ for most plants. Still we can see some plants live in the desert.

There is ____ in some places in the deserts. We ____ these places oases(绿洲). In the oases, there are villages and towns. People grow ____ kinds of vegetables and rice in the fields there. People ____ live outside the oases. They have camels, sheep and other animals. These animals live ____ the desert plants for their food and do not need any water. The ____ are useful to the desert people in many ways. They eat the ____ and drink the milk of the animals. They ____ the camels for carrying water, food, and ____ .

The people of the desert have to keep ____ from place to place. They must always look ____ grass or desert plants for their animals. When there ____ no more food for their animals, they move to another place. The desert people are ____ Every one in the desert likes to help the people in trouble and give them food and water.

1.
A．rainB．rainsC．windD．winds
2.
A．goodB．good enoughC．enough goodD．enough
3.
A．earthB．plantsC．woodD．water
4.
A．sayB．callC．tellD．find
5.
A．everyB．allC．aD．one
6.
A．alsoB．tooC．eitherD．still
7.
A．onB．withC．ofD．by
8.
A．waterB．plantsC．animalsD．food
9.
A．mealB．meatC．bodyD．food
10.
A．letB．makeC．driveD．use
11.
A．other somethingB．something otherC．else somethingD．something else
12.
A．walkingB．carryingC．movingD．going
13.
A．upB．forC．afterD．at
14.
A．isB．areC．haveD．has
15.
A．carefullyB．carefulC．friendlyD．friend
2016-11-25更新 | 522次组卷
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完形填空(约190词) | 适中 (0.65)
【推荐3】If you are writing or studying, it makes much difference where the light comes from. People use 46 and pens every day. They have to be very careful about the way of the light because the light shines on their work.
Every ____ gets its light either from daylight ____ the window ____ from the lamps or electricity, 50 no matter what kind of light it is, the way it shines towards our books or work is very important to the eyes.
Take a book and sit with your ____ toward the window, and try to read. Your shadow(影子) falls all over the page and makes it ____ for your eyes as if you were in a ____ room.
Now turn around and face the window. The page is ____ shadow again, while the bright light is in your eyes.
Try sitting with your 55 side toward the window. This is very good for ____ , but if you were writing, the shadow ____ fall across the page and bother you ____ .
There is another way – sit ____ your left side to the window. Now everything is perfect for writing as well.
Whatever kind of light is in the room, the rule about the right way to sit is ____ the same.1.
A．eyesB．headsC．booksD．hands
2.
A．manB．womanC．houseD．animals
3.
A．fromB．throughC．intoD．inside
4.
A．andB．thenC．asD．or
5.
A．butB．untilC．ifD．when
6.
A．sideB．backC．bodyD．front
7.
A．goodB．badC．usefulD．clear
8.
A．brightB．cleanC．dirtyD．dark
9.
A．inB．intoC．onD．to
10.
A．frontB．backC．leftD．right
11.
A．speakingB．readingC．writingD．studying
12.
A．canB．mayC．wouldD．will
13.
A．fewB．a fewC．littleD．a little
14.
A．byB．withC．againstD．near
15.
A．onlyB．neverC．not oftenD．always
2011-11-04更新 | 534次组卷
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