1. 阅读理解

   Battery is used in families and machines. The chemicals inside itproduce electricity. It's quite convenient for humans' lives. Now an oldbattery is getting a makeover (改造) and cangive electric cars more energy to run. The nickel-iron (镍铁) battery was created over 100 years ago and now scientists inHarvard University have improved it to give off energy quickly. This can helpelectric cars run faster. What's more, this kind of battery is less harmfulthan the common (平常) ones. This new kind of battery hasn'tbeen used in daily lives, but people are all interested in it. Scientists saythey are working hard to put it into market as soon as possible. They believethat the battery will make another great change for people's lives.

1. （1） Battery produces electricity through___________.

   A . chemicals inside B . wires C . cables inside D . power station
3. （2） The new kind of battery can be used in____________.

   A . all the family machines B . electric motorbikes C . electric cars D . robots in factories
5. （3） When was the nickel-iron battery created?

   A . Less than 100 years ago. B . More than 100 years ago. C . Less than 50 years ago. D . 50 years ago.
7. （4） Which of the following about the new battery is NOT mentioned (提到) in the article?

   A . Give off energy quickly. B . Make less pollution. C . Make cars run faster. D . Cheaper than others.
9. （5） Which of the following is TRUE?

   A . People can get the new kind of battery in shops now. B . Scientists have improved the nickel-iron battery into a better one. C . Electric cars can only use the new kind of battery. D . People are not interested in this new kind of battery.