一、单词拼写与运用
根据所给首字母或汉语提示完成句子。
1. He put his hand on his son's s and comforted him softly.
2. The bird is flying a the tall building, enjoying the clear sky.
3. After months of hard work, the team s completed the project on time.
4. It's r to climb the mountain alone—don't take such a big r.
5. The little girl was lucky to (幸存) in the accident.
6. The weather in spring is quite (多变的), you'd better carry an umbrella with you.
7. Her (好奇心) about the unknown drove her to ask more questions.
8. Many wild animals live in the (北方的) part of the country, where the climate is cool.

一、1. shoulder 2. above 3. successfully 4. risky；risk 5. survive 6. changeable 7. curiosity 8. northern

二、词汇运用
用所给单词的适当形式填空。
1. This book is as (interesting) as that one.
2. Which river is the second (long) river in the world?
3. Mr Liu is the (rich) man in this office.
4. The road to (succeed) is to work honestly.
5. Which is (fast), a bike, a bus or a plane?
6. The higher the mountain is, the (thin) the air is.

二、1. interesting 2. longest 3. richest 4. success 5. the fastest 6. thinner

三、完成句子
根据汉语提示完成句子。
1. 黄山是中国最著名的山脉之一。
Huangshan is one of mountains in China.
2. 他比班里任何一个男孩都高。
He is taller than boys in his class.
He is taller than boy in his class.
He is in his class.
3. 你游泳没有你弟弟好。
You can't swim your brother.
4. 美国著名的自然景观——科罗拉多大峡谷有多宽？
is the Grand Canyon, a famous in the US?

三、1. the most famous 2. the other；any other；the tallest boy 3. as/so well as 4. How wide；natural wonder