( ) 4. ―I haven't seen my grand- parents for long. I'm too busy them these days.
―Why not call them instead?
A. visit B. to visit
C. visiting D. visit
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What will the car be like in the future? Maybe we can sit in a car that can drive itself,
About 40 years ago* scientists from the United States started to develop self-driving cars(無人駕駛汽車) .The most famous recent one was made by Google in 2009. There are cameras and radars(雷達) on the top of the car. They allow the computer in the car to draw a 3D map of the environment. Chinese scientists have also successfully developed a self-driving car. The car made,a trip from Changsha to Wuhan.
Is a self-driving car safe? A recent study shows that robots make safer drivers than humans. If only 10% of cars on the street are self-driving,they will save 1,000 lives(生命) every year. If 90% of vehicles (交通工具) are self-driving, 21,700 lives will be saved a year. However,a self-driving car is expensive and each costs about $ 100,000. So it is impossible to be very popular in the near future.
根據(jù)短文內(nèi)容，判斷正(T) 誤(F) 。
( ) 1. American scientists started to develop self-driving cars in 2009.
( ) 2. Cameras and computers are on the top of the self-driving car by Google.
( ) 3. In China，scientists have successfully de?veloped a self-driving car.
( ) 4. The more self-driving cars there are on the street,the fewer traffic deaths there will be.
( ) 5. The self-driving cars will be very popular in the near future.
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科目：初中英語 來源： 題型：
( ) 6. ―Why are you so tired these days?
―Well,I have homework to do.
A. too much B. too many
C. much too D. many too
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科目：初中英語 來源： 題型：
2.起初，我認為可能是一條狗，但我看不見狗，也看不見其他任何東西。
，I thought that it might be a dog,but I couldn't see a dog anything ,
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