Question

(阅读理解) 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 oceans. Water is everywhere. Nature has a great water system (系统). Rain water finds its way to streams and rivers. Rivers lead to the oceans. At the mouths of the rivers, fresh water joins the salt water of the ocean. At the mouth of a river there is many important plants and animal lives. Pollution destroys this life, so we have to clean our streams and rivers. Man has to work for nature梟ot against it. (1) Water _______ . A. can run through the air, mountains, lakes and oceans B. is considered blood of the earth C. is like life of our earth D. exists in the oceans [　　] (2) The mouth of a river is near _______ . A. a stream　　 B. a lake　　 C. valleys　　 D. the ocean [　　] (3) At the mouth of a river, _______ . A. many living things can be seen　　　　 B. fresh water begins to change into salt water C. there is life pollution　　　　 D. rain water runs into the ocean [　　] (4) The water in the streams and rivers _______ . A. is salty　　 B. floats down the water system C. comes from rain D. joins together in a natural way [　　] (5) This passage tells us that _______ . A. we can find salt water at the mouth of the rivers B. man should work against nature C. we should clean the salt out of the oceans D. we cannot find any water in our body [　　]

Answer 1

答案：1．B ;2．D ;3．A ;4．C ;5．A ;