The world is not only hungry , but it is also thirsty(渴的) for water. This may seem s  (1)  to you , because nearly 70% of the earth’s surface is water. H  (2)  ,  about 97% of that is sea water , or salt water . Man can only d  (3)   and use the other 3% — the fresh water from r  (4)   , lakes , underground , and other sources . And we can not even use all of that because people have made some of it very d  (5)  

It is said that Thomas Edison was the first person that said hello over the telephone. But Edison didn’t invent “hello”. As a ____(1)____ [ˈmætə(r)] of fact, the greeting had been used around for centuries  ____(2)____ the invention of the telephone in 1876.

    In the past, people greeted each other with “hallow”, which may have come from the old ____(3)____(France) word “hola”.

The Americans said “hullo” to  ____(4)____other every day. But“hello” became a way of making contact (联系) after the telephone was  ____(5)____(invent).

So, Edison made hello a popular greeting and an important  ____(6)____[pɑ:t] of our lives. But Alexander Graham Bell, who created the telephone, never liked “hello” and  ____(7)____(support) the use of “ahoy”.

With the ____(8)____(develop) of the telephone, “hello” became a general greeting very soon. Webster’s dictionary kept “hello” a greeting word even though Alexander Graham Bell said no  ____(9)____the greeting all his life!

But the dictionaries continued to keep “hello” a standard greeting in the English  ____(10)____['læŋgwɪdʒ]. Hello, Alexander Graham Bell, are you listening?

根据短文内容及首字母提示，填写所缺单词，使短文意思完整。每空限填一词。

I’m sure you all knowhow important recycling is. Recycling is when you collect old things and turn them into new things. It sounds like magic. B  (1)   in fact it’s very scientific.

How it all works? Thefirst thing is to collect items that can be recycled. Soda cans are made out of metal. Some bottles of juice are made out of g  (2)  . Magazines and newspapers are made out of paper. Bags are made out of plastic. Many o  (3)   old things can be recycled，too.

Let’s get back to the process（过程）of recycling. Once you put all your items in a recycling factory. There，the materials get separated. They go into d  (4)   piles. There are special machines that crush（挤压变形）each pile together. The materials c  (5)   into square cubes（立方体）. They are really heavy. It is h  (6)  for humans to carry them. Companies buy these cubes and turn them into n  (7)   products.

Now let’s take a closer look at how old paper is transformed(改变形态). First the paper is torn（撕）into tiny p  (8)  . Then a special water with chemicals is poured onto them. The fibers start to stick together. In time，a completely new roll of paper is c  (9)  ! If there were things written or printed on the first paper，they disappear.

Recycling keeps ourplanet healthy. It reduces waste and saves money. It a  (10)   saves energy. You can do your part. So just remember the golden rule：always recycle your products!

 Today people can u   (1)     the phone to talk with others almost anywhere on the earth. But when you use the phone, you don’t see the person you are t  (2)   with. That may c  (3)   in the near future.

 Today some people are using a kind of telephone c  (4)   ‘picture phone’ or ‘vision phone’. W  (5)  it, two people who are talking can see each other.

Picture phones can be useful when you have s  (6)   to show to the person you are calling. They may have other uses in the future. One day you may be able to ring up a l  (7)  and ask to see a book. T  (8)  you will be able to read the book right over your picture phone. Or you may go shopping t  (9)   your picture phone. If you see something in that you think you want to buy, you will go to your phone and call the shop. People at the shop will show you the thing you are i  (10)   in just over the phone. You can shop all over town and never even leave your room!

 Today people can u  (1)   the phone to talk with others almost anywhere on the earth. But when you use the phone, you don’t see the person you are t  (2)  with. That may c  (3)  in the near future.

 Today some people are using a kind of telephone c  (4)  ‘picture phone’ or ‘vision phone’. W  (5)   it, two people who are talking can see each other.

Picture phones can be useful when you have s  (6)  to show to the person you are calling. They may have other uses in the future. One day you may be able to ring up a l  (7)  and ask to see a book. T  (8)  you will be able to read the book right over your picture phone. Or you may go shopping t  (9)   your picture phone. If you see something in that you think you want to buy, you will go to your phone and call the shop. People at the shop will show you the thing you arei  (10)   in just over the phone. You can shop all over town and never even leave your room!