()It's no secret we can't live without air or water.

A.that
B.why
C.how

A

选出画线部分发音不同的单词。
()(1)A. day B. play C. fly
()(2)A. right B. five C. boy
()(3)A. boil B. great C. rain

(1)C (2)C (3)A

一、根据提示，对下列单词进行归类。
sugar seed cotton sunflower root corn bamboo rose biscuit stem
1. 植物：
2. 植物部位：
3. 食物：

1. sunflower，corn，rose，cotton，bamboo 2. root，seed，stem 3. sugar，biscuit

二、选择合适的单词完成句子。
bamboo，cotton，rose，corn silk，culture，natural，grow，seed，popular，health
1. Pandas(熊猫) love to eat fresh leaves.
2. My favorite flower is the red ；it smells so sweet.
3. In summer，I prefer wearing clothes because they are cool and comfortable.
4. Some people use dried to make tea. They believe it is good for health.
5. We learned about traditional Chinese in history class yesterday.
6. Farmers many kinds of vegetables on their land.
7. First，plant the in the soil，then water it every day.
8. Chinese traditional music is very all around the world.
9. Eating too much junk food(垃圾食品) is bad for your .
10. Fruit and vegetables are foods. They are good for us.

1. bamboo 2. rose 3. cotton 4. corn silk 5. culture 6. grow 7. seed 8. popular 9. health 10. natural