阅读下面短文，简要回答所给问题。

To Protect the environment, China has put a ban on thin plastic bag (plastic bag thinner than 0.025mm) From June 1, 2008. China stopped the production, sale and use of these plastic bags to the public.

Plastic bags can cause “white pollution”, because they can take 400-1000 years to break down. They pollute the soil and water. Plastic bags also cause a serious danger to animals. Animals often mistake plastic bags for food. Thousands of them die each year after eating plastic bags.

So what kind of bags will be the best to use when we are shopping? Recently some students made their own shopping bags. Most students used old clothes to make their bags. They painted pictures like the Olympic rings on them. But Li Lei had a more traditional way to make her bag. She weaved（编织） a bamboo basket . It was not an easy job. With her grandfather’s help, Li Lei spent the whole afternoon making it .What can we do? Refuse plastic bags and persuade people to use environmentally shopping bags instead of plastic ones. Try to recycle the one we have .

1.Did Li Lei make her shopping bag by herself?

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2.Why do plastic bags cause a serious danger to animals?

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3.What kind of material did most students use to make their shopping bags?

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4.When did China stop the production , sale and use of these plastic bags ？

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5.According to the passage, what should we do to protect the environment? (One example is OK.)

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Perhaps once you got free plastic bags when you shopped at the supermarket. But now things have changed already.

   Since June 1, 2008, China has banned(禁止) its shops and supermarkets providing free plastic bags. Shoppers have to pay for bags if they need them. “We hope it will encourage people to use cloth bags and baskets for their vegetables,” said a spokesman from the Chinese government. “Plastic bags have led to a big waste of energy and on the other hand, they pollute(污染) the air, rivers and soil. It takes around 1000 years for the bags to break down. They are also dangerous to wildlife, which eats them without knowing.”

  A large number of Chinese people have begun to make their own cloth bags. Li Linwei, a student in Shenyang, Liaoning Province, made a bag out of an old dress of her mother’s. “ I have given it to my grandmother as a Mother’s Day present. From now on, she will use it when she goes shopping.” said the girl.

根据短文内容，回答下列问题。（5分）

1. Since what time, supermarkets have been stopped from providing free plastic bags?

2. Without free plastic bags, what will people use when they go shopping according to the

  passage?

3. Do plastic bags pollute the environment?

4. How long will it take the plastic bags to break down?

5. What present did Li Linwei give her grandmother on Mother’s Day?