学术英语economic听力答案

A. 求季佩英主编学术英语综合的答案

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Unit 1 text 1
Road Building
Task 1.
1. the relationship between road building and economic development
2. grain and cotton
3. grew grain grew cotton
4. fast and convenient
5. to transport grain and cotton
Task 1.
1. A booming trade in grain and cotton.
2. Because of the rapidly growing population and the large number of immigrants from Europe.
3. The farmers got laborers from Africa.
4. Because it was easy and cheap to transport goods from on place to another.
5. They built roads and collected fees.
Text 2 The Mississippi River in America
Task 1
1. Lake Itasca in Minnesota
2. about 4, 000 kms.
3. flooding in summer
4. floodways, dams, levees and reservoirs
5. holding water and generating electricity
Task 2.
1. 21 US states.
2. It flows from the North to the Gulf of Mexico
3. They are empty channels. When the Mississippi is too high, the floodways are opened and
some of the water can flow into the floodways.
4. They are earthen walls built alongside a river, holding the water and keeping it from
overflowing.
5. Sine the 20th century.

B. 学术英语视听说1听力原文17unit

我也在找呢，老师给教师用书让我对，那我整理出来都得什么时候啦。唉。

C. 求英语听力答案

give up
forever
presence
friends
recession
more
art
too

D. 求学术综合英语（罗立胜主编）课后答案（最好包括听力）和听力MP3