Once an animal expert did some research on antelopes（羚羊）． These antelopes were living on both sides of a river in South America．The expert（1） that the antelopes on the east side multiplied（繁殖）more and ran faster than（2） on the west．
The expert didn't get the reason about differences after thinking hard， as the two groups of antelopes lived in（3） environment and they fed on the same kind of grass．
One year，（4） the help of the Animal Protecting society， he caught ten antelopes on each side and（5） them． A year later， the ten antelopes that were sent to the west side multiplied by fourteen． （6） how about the antelopes sent to the east？ Only three remained!
Where were（7） seven？ They were eaten by wolves．
At last the expert understood why the antelopes on the east were （8） ． That was because there were a group of wolves﹣their natural enemy， on the（9） side．
So thanks must go to your opponents（对手）． It is your opponents that are（10） you． It's true!
（1）A． has covered |
B． covered |
C． has discovered |
D．discovered |
（2）A． they |
B． those |
C． them |
D．that |
（3）A． different |
B．same |
C． the same |
D． difference |
（4）A． with |
B． without |
C． under |
D．by |
（5）A．changed |
B． exchanged |
C． challenged |
D． fed |
（6）A． But |
B． Though |
C． So |
D． Or |
（7）A． other |
B． the other |
C．others |
D． the others |
（8）A． weak |
B．weaker |
C． strong |
D．stronger |
（9）A． south |
B． north |
C． east |
D． west |
（10）A． improving |
B． hurting |
C．comparing |
D．disappointing |
用方框中所给单词的适当形式填空，使短文正确、通顺。（每词限用一次）
| how, either, be, danger, feel, with, well , lose, swim, weather |
Summer is coming. The _______ becomes hotter and hotter. A lot of people like
_______ in the swimming pools or in the sea. They think water makes them
______ cool. But some people are not careful enough. They often think they can swim
______ than others and they don't have to worry about anything. So these years, many accidents happened and some people
______ their lives(生命). Most of them were students. As we all know, safety is the most important. Do you know
______ to protect(保护)yourself? To protect yourself, you must be careful. Remember not to swim in a
______ place. Don't swim alone, and when you sec a “No Swimming” sign, don't swim,
_______. Of course, you can swim
_______ someone who can keep you safe. If you remember these, swimming
_______ safer.
用方框中所给单词的适当形式填空，每词仅用一次。
throw, knife, excite, die, difficult There is a fork and five _______ on the table.
The children were ________ about opening their gifts.
I think that disabled person may have __________ in using his arms.
He made a decision that meant life and ______.
Stop _______ stones at that window.
用所给单词的正确形式填空：
| two try wait health die |
I don’t feel like ______________ at the gate, it’s too cold here.
One of the best ways to keep fit is to eat ____________.
He started the car and ________ again, and this time he made it.
Look at the little bird, it is ____________, let’s do something to help it.
Linda takes a walk after supper _______ a week.
选用所给的词并用适当的形式完成句子。
surprise since she angry sweep heavy __________ we friends, we should help each other as often as possible.
The more junk food you eat, the ______ you will be .
To our __________, he won the first prize.
My mother shouted __________ at me, “Go to bed and don’t watch TV.”
I am so busy now that I have to put off _________ the floor.
Lucy was so happy, because she met a friend of ___________. They have not seen for a long time.
根据短文意思，用方框中所给词语的适当形式填空。（有两项是多余的）
| Address，want，please，speak，practice，really，nobody，friendly，them，but，usually，help |
The verb“ chat” means to talk (to someone)in a friendly, informal(非正式的)way. Today there are many on the Internet where you can chat. You can chat with people all over the world, in many languages and about many subjects or topics. These places are
called “chatroom”. Sometimes you need to register( 注册)to enter a chatroom. This means that you need to provide a username(用户名)and possibly your e-mail
.Your username doesn’t have to be your
name.It can be any name you want. When you have your username, other people in the chatroom will call you by that name and
else can use it.
Chatting is a good way to your informal English. Messages in a chatroom are usually short sentences. Sometimes
are not even sentences,
just a few words that are not really grammatically(语法的)correct. It’s a typical way in which we
in a quick conversation with friends. To save time, people often use abbreviations like IDK(I don’t know).So don’t go to a chatroom to practice “perfect” English. Go to a chatroom to practice informal English and find
.
You can even use a chatroom to help improve your typing skills if you want.
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