阅读下面短文，根据短文内容及首字母提示补全文中所缺的单词。

Nowadays we can see that many people are cutting down the trees in the forests．A lot of rich land has become deserts．If we r  1  newspapers，we’ll learn that the forests on the earth are getting smaller all the time．People are cutting down large numbers of trees b  2  they need wood and farmland．Some scientists say that there will n  3  be any great forests in 20 or 30 years．

What will h  4  if the forests disappear? A lot of plants will die and animals will lose their home．In many places the new farmland will soon look like the old deserts．Crops will not grow there．There won’t be e  5  rain．and the weather will get hot and d  6  ．If the climate（气候）of the earth changes，life will be hard for everyone．Our living environment，will become w  7  ．More and more rich farmland will disappear．We will suffer（遭受）a lot from b  8  floods and droughts．

It’s our duty to p  9  the forests well．Everyone should try his best to make a contribution to taking care of the forests．Let’s s  10  cutting down the trees and make the world greener!

根据下面提供的对话情景，从下列7个选项中选择正确答案，使对话连贯、完整。其中有两项是多余的。

A：Today we are going to talk about a great invention．It looks like a human being．  1 

B：It’s a robot．  2 

A：Of course not．The first robot was invented in 1921．

B：  3 

A：Sure．They can take the place of humans to do some boring work．They can also do a lot of dangerous work instead of humans．

B：  4 

A：No．Robots can do a lot of work instead of people in many ways，but people wouldn’t be replaced by robots．  5 

B：We get it．

根据所给汉语将下列句子补充完整（每空一词）。

1．他在这个诊所里当了三年医生了。

He has________ ________ ________ ________ in the clinic for three years．

2．体育迷们有很多机会去观看激动人心的比赛。

Sports fans have________ ________ chances________ ________ exciting competitions．

3．我不知道他是否故意把这本书落在这里。

I don’t know________ he ________ the book here________ ________．

4．你同意他村定的计划吗?

Do you ________ to the plan that he has________ ________ ________?

5．到会议结束时他还没有露面。

________ the time the meeting was________，he hadn’t________．

根据句意，用所给单词的适当形式填空。

1．It gives us much________（please）to welcome our new teacher．

2．We are looking forward to ________ （visit）Shanghai World Expo．

3．Thanks for your________ （invite）．I'll be there on time．

4．This was one of the worst________ （nature）disasters in the history of the United States．

5．Students at school shouldn’t get their ears________ （pierce）．

根据句意和所给的首字母提示，补全句子中的单词。

1．We’ll take part in all kinds of activities d ________the coming holidays．

2．He has made great p ________in spoken English since last year．

3．Unless you get a driver's l ________，you can’t drive a car．

4．Linda，could you please f ________ me a cup of tea?

5．Did Jim and Peter enjoy t ________ while climbing Mount Tai?