—Amazingly, I’ve managed to finish the project by myself.

—________ I told you it was easy.

A.With pleasure. B.Guess what? C.There you are! D.It doesn’t matter.

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科目：初中英語(yǔ) 來(lái)源：2020年5月山東省濟(jì)南市區(qū)九年級(jí)學(xué)業(yè)水平質(zhì)量檢測(cè)英語(yǔ)模擬試卷 題型：完型填空

Do you like textbooks or computers when you are studying at school or home? The debate ( 辯論) on “textbooks vs.computers” has been going _______for years. How much technology is enough in the classroom? ________textbooks be replaced by computers?

There is no doubt __________ computers are powerful tools. Computer-based lesson plans are updated ( 最新的) in real time. New information can be added________ changes take place, so students can find the _______ information for the subjects they are studying. With computers, students can learn how to use them for the rest of their lives. Today, computers are used in almost all ________. Students can prepare themselves ______ for the future if they have computers.

________ there are many advantages, I think textbooks must stay.

Textbooks are professionally edited ( 編寫). All the facts have been ______. They are put together in the best way. Each chapter builds on what a student has already learned. On the Internet, however, not all the information is _______ or well organized. With textbooks, it is easier for students to get the key points and write them down. Scientists have found that __________notes by hand helps students learn more. Textbooks are also __________ expensive than computers. While most families can afford textbooks, not all of them can afford a computer. Every student should be allowed to ______what he needs to learn. It’s wrong to rob (剝奪) a student of his _____ to learn just because he can’t afford the learning material.

Computers are playing an important role in education. They allow students to learn more. However, I don’t think they can _______ textbooks. If students want to learn effectively, they must use textbooks.

1.A.over B.on C.out D.through

2.A.May B.Must C.Should D.Would

3.A.that B.whether C.which D.what

4.A.as early as B.as soon as C.as often as D.as possible as

5.A.free B.general C.latest D.last

6.A.countries B.schools C.colleges D.areas

7.A.abroad B.better C.worse D.hard

8.A.Because B.Since C.Unless D.Though

9.A.checked B.known C.printed D.reported

10.A.easy B.true C.popular D.wrong

11.A.taking B.making C.giving D.having

12.A.more B.little C.much D.less

13.A.find B.know C.learn D.write

14.A.ability B.duty C.wishes D.right

15.A.enjoy reading B.take the place of C.disagree with D.turn down

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Just like that? Don’t you have a plan B? You know ___________, do you?

A.it never rains but pours

B.you’d better not burn the candle at both ends

C.he who has never been to the Great Wall is not a true man

D.it’s not wise to put all your eggs in one basket

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Some teenage boys _________________________ Idol Producer without letting their parents know.

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Spring is here, the colourful flowers are seen everywhere but it is a pity that many of us are not able to smell them while enjoying the colourful flowers.

Growing levels of air pollution from the factories and cars have reduced flower fragrances(芳香) by up to 90 percent in the US, compared with pre-industrial levels 100 years ago.

But if the trend is simply unpleasant for human noses, it may be life-dangerous for bees and butterflies.

Many insects find flowers by following the scent produced by those flowers.

The increasing pollution makes it difficult for them to find the flowers and feed on their nectar (花蜜).

Scientists have already found that flowers produce scent molecules (氣味分子) that mix with polluted things, which breaks down the plants’ sweet smell.

With more pollution in the air, the scent molecules don’t remain powerful as long and travel shorter distances on the wind. In the mid-19th century, when pollution levels were first recorded, scent molecules would have been able to travel some 1,000 to 1,200 meters. Today, in the polluted air of large cities, scents may only make it some 200 to 300 meters.

Also, pollution from polluted air may fool the bee’s “nose”, making their search for flowers all the more difficult.

In a paper published recently in Scientific Reports, scientists said that the nitric oxide (NO) and nitrogen dioxide (NO2) in polluted air could change many chemicals that work together to give a flower its special smell.

“This”, researchers said, “could prevent honeybees from reaching their flowers and prevent the pollination (授粉) of some of the world’s food crops.” Or, this could put in danger agricultural harvests worldwide.

But the bees seem to have learned to get used to the changing world. “In nature honeybees use their special eyes and flower smell to find out where a flower is for the first time,” the researchers said.

1.According to the article, researchers have recently found that ________.

A.reduced flower fragrances have resulted in the dying out of many bees and butterflies

B.reduced flower fragrances are connected to growing levels of air pollution

C.polluted things in the air prevent flowers from producing scent molecules

D.flowers today can’t produce enough nectar because of air pollution

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A.Increasing air pollution.

B.Reduce flower fragrances.

C.Human beings’ worse sense of smell.

D.A growing number of power plants and cars.

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C.draw attention from bees and butterflies D.clear up polluted things in the air

4.We can infer (推斷) from the article that ________.

A.future food crops won’t depend on bees to complete their pollination

B.bees have great advantages in their senses compared to humans

C.world food crop production is likely to fall greatly in the near future

D.some bees have successfully get over the challenge of reduced flowers fragrance

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All the flowers have come out. The sweet smell ______ the whole room and makes me comfortable.

A.spreads B.fills C.covers D.rushes

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It was a real race time to get the project done. Luckily, we made it.

A.over B.against C.for D.by

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eat, junk food, don't, too much

____________________.

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—We'd better ________a taxi right now, or we won't get to the meeting on time.

—All right.

A.call back B.call in C.call up

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