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The year of 2014 saw smart people always busy inventing useful things，which have helped to

make the world better，smarter and a little more fun. Now，let's take a look at some of the inventions.

Super banana

Australian biogeneticist（生物遺傳學家）James Dale

visited Uganda，a poor African country，in the early 2000s，

where he found that 15％-30% of children under 5 were at

the risk of going blind because they didn't get enough vitamin

A. Dale also learned that people there love bananas. They

eat 3 to 11 bananas a day. So hecame up with an idea to

plant bananas containing added nutrition in order to improve

Ugandans' health ．With the help of Bill Gates' foundation，Dale developed the“super banana，’·He added a gene to the fruit，making it rich in vitamin A.

1.Which of the following statements would James Dale agree with?

A. Children in Uganda should eat fewer bananas.

B. Vitamin A is largely found in fruits like bananas.

C ．Super bananas are definitely a safe biological product.

D. People's eating habits can be used to develop new food.

2.What is the biggest advantage of the 94Fifty Basketball?

A. The sensors hidden inside can help players run faster in a game.

B. It can help players to improve their shooting and ball-handling skills.

C. It allows players to connect to their smartphones while playing basketball.

D. The Bluetooth chip inside allows its users to listen to music while playing basketball.

3.What can we learn about the hovercraft from the text?

A. It enables its users to float off the ground freely.

B. It can work on many different kinds of surfaces.

C. It still needs to improve its power and efficiency.

D. It is an affordable means of transport for a family.

4.What do the hovercraft and wireless electricity have in common according to the text?

A. They create magnetic fields to produce power.

B. They apply technologies to many things in life.

C. They are technologies which can produce electricity.

D. They use wireless technology to improve their products.

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