What ________ if there ______ no water or air on the earth?
A．happen, is B．will happen, is
C．will happen, will be D．happen ,are
八年级英语单项填空中等难度题
What ________ if there ______ no water or air on the earth?
A．happen, is B．will happen, is
C．will happen, will be D．happen ,are
八年级英语单项填空中等难度题查看答案及解析
There is no air _______ water on the moon .
A.and B. but C. or D.with
八年级英语单项填空中等难度题查看答案及解析
There isn't air ______ water on the moon.
A. and B. but C. or D. so
八年级英语单选题困难题查看答案及解析
Water is very important to living things．Without water there can be no life on the earth．All animals and plants need water．Man also needs water．We need water to drink．to cool our food and to clean ourselves．Water is needed in offices，factories and schools．
Water is needed everywhere．There is water in seas；rivers and lakes ,Water is found almost everywhere．Even in the driest part of the world．there is some water in the air．You cannot see or feel it when it is a part of the air．The water in the seas，rivers and lakes is a liquid。The water in the air is a gas，and we call it water vapor．
Clouds are made of water．They may be made of very small drops of water．They may also be made of snow crystals(结晶体)．Snow crystals are very，very small crystals of ice．Ice is frozen water．It is a solid．There can be snow and ice everywhere in winter．
( )4．Where Can we find water?
A．We can find water when it turns into vapor．
B．Water can be found almost everywhere
C．We can see water in deserts here and there．
D．Water is only in seas and rivers．
( )5．We must protect water resources because________．
A．crops need water B．all living things need water
C．all animals need water D．all plants need water
八年级英语阅读理解中等难度题查看答案及解析
Wild animals are important to us. They together with us on the earth. If there are no on the earth, we will not live on. So we should take good care of them. But some people don’t know the importance of protecting them. They kill wild animals for _ and other things. Every day many wild animals are killed. So lots of them have died out. We can’t see any more. Today wild animals are becoming fewer and . If people don’t protect them, they will die out. If this , there will be no animals left on the earth.
, many children have begun to know the importance of protecting wild animals. They ask to stop killing them. They also teach others about the importance of protecting them. Now many countries some laws to protect them stop people from killing them. Protecting wild animals is the of each of us. We should do our best them, because protecting them is protecting .
1.A. play B. come C. live D. go
2.A. animals B. plants C. people D. trees
3.A. as well as B. always C. also D. either
4.A. real B. very much C. hardly D. still
5.A. water B. food C. fruit D. vegetables
6.A. it B. they C. them D. its
7.A. less B. fewest C. more D. fewer
8.A. goes on B. comes on C. moves on D. lives on
9.A. Lucky B. Luckily C. Unlucky D. Unluckily
10.A. the other B. another C. others D. other
11.A. have made B. had made C. make D. makes
12.A. but B. or C. and D. so
13.A. rule B. life C. work D. duty
14.A. to feed B. looking after C. to take care D. to protect
15.A. myself B. ourselves C. yourselves D. themselves
八年级英语完形填空中等难度题查看答案及解析
If there are________cars on the roads, there will be ________ air pollution.
A.fewer; less B.less; less C.more; less
八年级英语单选题简单题查看答案及解析
There are lots of animals on the earth. What is the biggest animal of all? The whale is. A blue whale weighs more than a hundred tons.
Whales live in the sea, but they are not fish. They are mammals and must have air to breathe. The babies drink milk from the mother's body. Every spring, groups of whales swim hundreds of kilometers to warm places.
Each group goes to the same place every year. The mothers take very good care of their babies. Whales are a gentle kind of giant. They always live together and help each other. They "talk" to each other in the water with a high noise that sounds like singing.
Yet people kill over a hundred whales a day. They kill them to make many things. The whale dies very slowly and in great pain. Some ships kill every whale they can find, even mother whales and babies. If things go on like this, there will be no young whales to grow up and no mother whales to have more young.
1. are the biggest animals on the earth.
A. Elephants B. Lions
C. Whales D. I don't know
2.Whales can live .
A. in the sea B. on the land
C. in the river D. A and B
3. When whales talk, it sounds like .
A. singing B. crying
C. a baby D. calling
八年级英语阅读理解中等难度题查看答案及解析
Water is the "life blood" of our earth. It is in every living thing. It is in the air. It runs through mountains and valleys. It forms lakes and seas. Nature has a great water system（系统）.Rainwater finds its way to rivers and lakes. River water runs into the sea. At the mouths of the rivers, fresh water joins the salt water of the sea.
Here at the mouth of a river there is much important plant and animal life. But pollution destroys this life. We have to clean our rivers. Man has to work with nature, not against it.
1.Water is like________.
A. clouds B. blood C. life
2. ________ is in every living thing.
A. Blood B. Water C. Salt
3. The mouth of a river is near _________.
A. the sea B. a lake C. a mountain
4. There is much plant and animal life at the _________ of a river.
A. head B. top C. mouth
5.We have to ________ our rivers.
A. find B. clean C. pollute
八年级英语阅读理解中等难度题查看答案及解析
All the _______ things need air and water. Without air or water, nothing can stay _______.
A. living; living B. living; alive
C. alive; alive D. alive; living
八年级英语单项填空中等难度题查看答案及解析
All the _________ things need air and water. Without air or water, nothing can stay _______.
A. living; living B. living; alive C. alive; alive D. alive; living
八年级英语单项填空中等难度题查看答案及解析