Question

阅读理解

　　Many places in the world need more fresh water. Every country is trying to find ways to turn salt water into fresh.

　　Why aren't there many factories like the Symi factory?

　　In some places, the sun isn't hot enough, or it doesn't shine every day. In these places, other ways of heating seawater can be used. These ways cost more money, but they work faster than the sun. By boiling sea water with high heat, a lot of fresh water can be made quickly.

　　But heating is not the only way to get fresh water from salt water. Other ways are tried. One way is freezing. The fresh part of salt water freeze., first. To get fresh water, the pieces of ice are taken nut.

　　Which way is best? The one that gives the most water for the least money. It may be a different way for each place.

　　Symi's way seems very good for small, hot places. It doesn't make very much water at a time. But the factory is easy to build and cost little.

　　That's why people in many dry places talk about Symi!

1．From the passage we know that fresh water ________.

[　　]

A．is needed in many countries

B．is needed in every country

C．can be used in many ways

D．is very important for factories

2．The Symi factory ________.

[　　]

A．is a fresh water factory

B．can be built everywhere

C．can make much fresh water at a time

D．doesn't need sunshine every day

3．Which is the best way for small and hot places to get fresh water?

[　　]

A．Boiling or heating the sea water.

B．The way in sunny places.

C．The Symi's way.

D．Freezing the seawater in cold places.

4．The writer is mainly talking about ________.

[　　]

A．water making factories in different countries

B．the ways of making fresh water from sea water

C．hot places and dry places

D．how to make good use of the sunlight

5．Which of the following isn't true?

[　　]

A．New ways are tried to get fresh water.

B．Heating can make a lot of fresh water quickly.

C．The best way is to get the freshest water with the least money.

D．The Symi's way doesn't work in dry places.

Answer 1

答案：B;A;C;B;D
解析：

1．B（通过阅读整篇短文，尤其是根据短文第一段所叙述的世界许多地方需要更多的淡水及句子Every country is trying to find ways to turn salt water into fresh．可得到答案B．） 　　2．A（短文第一段叙述了每一个国家都在尽力探索把海水变成淡水的方法，在根据短文第二段中表示反问的否定特殊疑问句Why aren't there many factories like the Symi factory？就不难推断出Symi factory是一个淡水加工厂．） 　　3．C（根据短文倒数第二段的Symi's way seems very good for small，hot places．可知，Symi的方法是小而炎热的地方获取淡水的最好方法．） 　　4．B（短文首段叙述了Many places in the world need more fresh water．Every country is trying to find ways to turn salt water into fresh．以下各段都叙述了从海水里提取淡水的不同方法，如：Symi工厂制造淡水，加热海水，冷冻海水等．从全文考虑，只有B项才能概括全文．） 　　5．D（短文叙述了从海水中提取淡水的Symi工厂似乎对小而炎热的地方比较合适．虽然用这种方法每次不能制造出许多的淡水，但工厂容易建造，花费也少．再根据短文的结束句That's why people in many dry places talk about Symi！就可以判断出Symi的方法在干燥的地方不能奏效的说法与事实不符，所以选D．）