-What do you often do in your free time?-Usually I play ping-pong with my father. Sometimes I go to the park.A.when you’re free B.when you’re at home C.before you get home 题目和参考答案——青夏教育精英家教网—

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—What do you often do in your free time?

—Usually I play ping-pong with my father. Sometimes I go to the park.

A.when you’re free B.when you’re at home C.before you get home

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March 22 is World Water Day. It started in 1993. It not only makes us think about the importance of water, but also calls on（号召）us to___and protect water. Today, we're facing terrible water problems. Among them, the wastewater problem is rather ___, And the subject of World Water Day in 2017 is “wastewater”.

What is wastewater? It is used water. Usually, wastewater comes from homes,___, hospital and so on. It is produced by different kinds of activities, including washing machines, taking showers and using kitchens. The rain also___wastewater when it is running down the street during a storm. No matter where it comes from, this kind of water is sure to have____harmful in it．

___must we treat（处理）wastewater? Wastewater has a big influence in our lives. It causes both illness for us and pollution for the environment. We must care for our environment and our own___.

How can we treat wastewater? Different kinds of wastewater need different ways of treatment. Wastewater___homes can be reused. Then there will be___wastewater. Also, factory wastewater has to be cleaned____it goes back to nature.

1.A. drink B. save C. carry D. watch

2.A. easy B. popular C. small D. serious

3.A. factories B. lakes C. rivers D. seas

4.A. gets back B. hands in C. changes into D. picks up

5.A. nothing B. something C. nobody D. somebody

6.A. What B. Who C. Why D. How

7.A. work B. interest C. health D. business

8.A. on B. for C. with D. from

9.A. less B. more C. better D. worse

10.A. and B. whether C. after D. before

I waited for her at the station last night. But she didn’t ________ at all.

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—Well, my bike just didn’t ________ on the way. So I had to walk to school.

A.catch B.work C.return

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Umbrellas are certainly one of life’s necessary helpers. But as anyone ever caught in a heavy rain will tell you, they’re far from perfect. So, many creative designers made efforts to challenge. Here are three unusual umbrellas that can solve the rainy day problems:

Senz

Problem: Common umbrellas love to invert(翻转) when it’s windy.

The Senz umbrella changes the found shape into the one that is long in the back and short in the front. The design is much stronger against even strong against even strong winds, and according to their tests, it won 't invert in a windy storm

Kazbrella

Problem: Once closed, umbrellas drip(滴水)all over everything and they need a lot of room to open up.

The Kazbrella tries to solve this problem. It opens in a special way. When closed, it looks like the common umbrella upside down, but when it opens, it is similar to the common one. The design allows the wet side of the umbrella to be inside once you fold it. As a result, getting in and out of your car is not a problem. You can close Kazbrella into the smallest space of a car door, remaining dry.

Rain shield

Problem: Rain can hit you from all directions.

In the face of a heavy rainstorm, a little more surface area would be a big help. So the Rain Shield has been given an extension(延伸)to one side, giving the protection from the side way rain and lowering the risk of being invert. And its bendy (弯曲)design means it is easy to take.

Don't you think that these umbrellas are fascinating? The good news is that you can buy Sen and Kazbrellas in London now.

1.According to the first paragraph, we know that the common umbrellas__________

A.are useful but not perfect enough

B.can only be used in a heavy rain

C.can protect us very well in a heavy rain

D.are challenges for creative designers

2.Senz will not invert because of the____

A.sign B.weight C.shape D.color

3.Picture_______ shows the right way to open the Kazbrella

A. B.

C. D.

4.If you use Rain Shield in a heavy rainstorm,______

A.it will not drip all over everything

B.it can protect you from sideway rain

C.it's easier to get in and out of the car

D.it's not convenient enough to take

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