Modern inventions make our life easier and more interesting than before. Let’s take a look at some inventions.

A new kind of enzyme(酶)

Scientists in Britain and the United States have found a new kind of enzyme that eats plastics. With its help, plastics can be turned into smaller parts and go away quickly. It can stop plastics from being burned everywhere. Scientists believe that it can solve the problem of plastic pollution in the future.

Social robot

Can robots talk to us like humans? Jibo, a robot made in US, can talk with you. The robot has a big, round head and a big body with no eyes or mouth. It uses animated icons (動(dòng)畫圖標(biāo)) to show emotions(情緒). It just seems like a real human. Right now, Jibo can only do some easy things, like taking photos and reading news to you. But it may learn to do new things in the future.

Spark

Spark is a new drone(無人駕駛飛機(jī)) made by a Chinese company in Shenzhen. It can help people take photos and videos. Spark might be the smallest drone ever made. When folded, it is as small as a Coke can. The coolest part is that users can control the small drone just by using hand gestures. For example, if you wave your hand from left to right, the drone will fly in the same way. When you want it to land you just put your hand out.

The drone will come to you and land on your hand.

根據(jù)短文內(nèi)容選擇最佳答案,并在答題卡上將該項(xiàng)涂黑。

1.According to the scientists, the new kind of enzyme can__________.

A.solve the problem of air pollution

B.stop plastics from being thrown everywhere

C.help plastics to burn quickly

D.help plastics to turn into smaller parts

2.We can learn that Jibo__________according to the text.

A.is a person with a big, round head

B.has big eyes and a big mouth

C.can take photos and read news to people

D.can do many difficult things

3.According to the text, what can we know about spark?

A.Spark is bigger than any other drones ever made.

B.Spark can be controlled by hand gestures.

C.Spark can only fly towards the same direction.

D.Spark is created by scientists from a US company.

4.Which of the following is Not true according to the text?

A.The enzyme is helpful in protecting the environment.

B.The social robot can only do something easy.

C.Spark can help people take photos and videos.

D.The social robot and Spark can both take photos and read news.

5.Where is this text most probably from?

A.A science report. B.A school introduction

C.A shopping poster. D.a trip advertisement.

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Tragedies are happening over and over again. To prevent them from growing further, we need to keep some safety tips in mind. Remember, you can drown in the sea just as easily as a swimming pool.

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Ask a responsible adult to watch young children while in the bath and all children swimming or playing in or around water. Because drowning occurs quickly and quietly, adults should not be involved in any other distracting activity (such as reading, playing cards, or talking on the phone) while watching children, even if lifeguards are present.

● Drowning ≠ Crying for help.

Drowning is often not as dramatic as what we see in movies. When someone is drowning, especially if it is a child, they may not be able to shout out. A lot of times when kids drown, they look like they are just absentminded — but they are actually going unconscious. At this point, they should be immediately carried out of the water.

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Don’t use air-filled or foam toys, such as “water wings”, “noodles”, or inner-tubes, instead of life jackets. These toys are not life jackets and are not designed to keep swimmers safe.

● Don’t try to save drowning friends.

Yes, what we are telling you is this is not when you should show your unconditional love to your drowning friends and family members. It is very likely that by saving them, you can get yourself into danger, and might end up becoming a drowning victim yourself.

Saving someone drowning hand-in-hand with a few others can be even more dangerous. The “human chain” you form can easily break if one of you experiences any kind of tiredness, and one person can drag down the whole team.

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Now, knowing that you cannot really save a life, who should you ask for help? Lifeguards. They are usually well-trained and are equipped with many tested life-saving methods. Therefore, if you think you see someone drowning, alert a lifeguard at once, even if you’re not sure what drowning looks like or think you might be wrong.

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