2. Whales are larger than any other animal on the Earth. (保持原句意思)

Whales are _____ _____ animals on the Earth.

1．Beijing is more beautiful than any other city in North China.(保持原句意思)

Beijing is _______ ______ ______ ______ in North China.

5.beautiful_____ ______　　 wonderful_____ ______ expensive_______ _____

II.按要求改写句子

4.big ______ ______　　　　 　thin______ _______　 fat_______ ________　　　

3.easy______ _____　　　　 healthy______ _____　 heavy_______ _______

2.large _____ _____nice　　 ______ _______

第一课时：

I．写出下列形容词的比较级和最高级

1.old_____ ______　　 young______ _______　　　 small_____ _____　　　 long_____ _____

第三课时：

If there is no rain, we will have no water to _____. If there is no rain, we will have no water to _____ our teeth or to take a _____. If there is no rain, we will have no water to wash our _____or to wash the ______.

Farmers ______water _______water the crops and vegetables ____ their farms. If there is no rain, the crops and vegetables will _____. We will not have any food to_____. If there is no rain, cooks in ________ will have no water to cook food. If there is no rain, firemen will not have any 　　　　　　　　　　　　water to ______ ________ fires.

第二课时：

In the oceans, you can find starfish and sea horses. They are interesting and beautiful sea animals.

People also _____ food _____ the oceans. The seafood we eat is from the oceans. Fishermen _____nets ______ catch fish and prawns in the deep sea.

The oceans are _______ to all animals on the Earth. We must _____ them _____. We must stop _______ them.

17.用水灭火 __________　　　　　　 18. 没有水喝___________

Fill in the blanks with proper words

第一课时：

Almost three ________of the Earth is water. Many fish and _________animals live in the streams, rivers, lakes, seas and _______ on the Earth.

Whales, dolphins and _______ are sea animals. Whales are the_______ animals on the Earth. Dolphins are one of _____ _ ______　 _______ animals. Sharks are one of the most _______animals.