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阅读下列材料,在空白处填入适当的内容(1个单词)或括号内所给单问的正确形式。

The following cool inventions are listed in Tim magazine’s 25 best inventions of 2017. They are making the world better and smarter.

Drones(无人机)that take photos

Spark is a new type of drones. A Chinese company in Shenzhen called DJI1. (bring) it to the world in 2012. It helps people take photos and 2. (video). Spark might be the smallest drone ever made. When folded, it is as big3. a can of soda. The coolest part is that users can control the small drone just 4. using hand gestures. For example,5.you wave your hand from left to right, the drone will fly in the same direction. When you want it 6. (land), you just put your hand out. The drone will come to you. This makes taking photos7. (easy) and more convenient.

Social Robot

Robots may not be good communicators. But Jibo, made by US company Jibo Inc, may be different. With8.big round head, Jibo looks like a cartoon character. When it talks to you, it moves 9. (it) head and body 10.(natural) to interact with you. Right now Jibo can only do some basic things. But it may learn to do more in the future.

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Birthday Traditions in Different Countries

England

Certain symbolic objects are mixed into the birthday cake as it’s being prepared. If your piece of cake has a coin in it, then you will be rich. Also, when it’s your birthday, your friends give you the“bumps”.They lift you in the air by your hands and feet and raise you up and down to the floor; one for each year you lived, then another one or two for luck.

Denmark

A flag is flown outside a window to show that someone who lives in that house is having a birthday. Presents are placed around the child’s bed while he/she is sleeping,so he/she will see them at once upon awakening.

Holland

Special year birthdays such as 5,10,15,20,21 are called“crown”years.The birthday child receives an especially large gift on a crown year birthday.The family also decorates the birthday child’s chair at the dining room table with flowers,paper streamers and balloons.

Canada

The birthday child’s nose is greased(涂抹)with butter for good luck.The greased nose makes the child too slippery for bad luck to catch him/her.In some parts of Canada,the birthday person even receives a punch(一拳)for each year he/she is alive and then one for good luck.

Brazil

The birthday child receives a pull on the ear for each year he/she has been alive.The birthday person also gives the first plece of cake to his/her most special friend or relative,usually mom or dad.

Korea

There is a big family party on the first birthday.The table is set with food, and four items:a pencil,a ruler,thread,and money. The item that the baby chooses is said to forecast his/her future:excellent student, good with hands, long life or riches.

South Africa

On the twenty-first birthday, a key made of anything from paper to silver to gold is presented by the parents as a sign that the child is ready to unlock the door to their future.

1.If a British friend is raised up and down to the floor 18 yimes on his birthday,he is most likely(可能的)to be .

A.17 B.18 C.19 D.20

2.The following tradition is mentioned in the passage EXCEPT for .

A.giving a pull on the ear

B.having a big family party

C.greasing butter on the nose

D.flying a flag at the child’s bed

3.In which countries do people celebrate their 21st birthday specially?

A.Canada and England.

B.Denmark and Korea.

C.Brazil and Holland.

D.Holland and South Africa.

4.The passage mainly tells us .

A.people in different countries have their own special year birthdays

B.people in different countries celebrate their birthday in different ways

C.people always have a big birthday party at home in different countries

D.people always know a 1-year-old baby’s future from the item he chooses

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