一 be动词的用法 根据句意，用is/are填空。
1. There a big forest in the nature park.
2. There many rivers in the park.
3. There a beautiful waterfall in the forest.
4. There some famous mountains in the nature park.

1. is 2. are 3. is 4. are

二 词义辨析 根据图片提示，补全句子。
1. There is often in autumn.
2. Be careful of in the forest.
3. Don't go in heavy rain!
4. Bring enough for the trip.

1. fog 2. fires 3. hiking 4. water

三 There be 句型的一般疑问句与回答，仿照例句，改写一般疑问句并作答。
例：There is a lake in the mountains.
—Is there a lake in the mountains? —Yes, there is.
1. There are some waterfalls.
— —Yes, .
2. There is a flood in summer.
— —No, .

1. Are there any waterfalls? there are.
2. Is there a flood in summer? there isn't.

四 名词短语运用，选择合适的名词短语，补全句子。
heavy snow long rivers heavy rain often fog beautiful waterfall
1. There is on the sea in spring.
2. There is in summer.
3. There are many in the nature park.
4. There is a in the mountain.
5. There is sometimes in winter.

1. often fog 2. heavy rain 3. long rivers
4. beautiful waterfall 5. heavy snow