1、 Dating from around A.D. 1000, the largest mound surviving from the Mississippian culture was one hundred feet high and had a base of nearly fifteen acres.

(A)civilization (B)formation (C)sect

2、 Our club sent two delegates to the meeting.

(A)professionals (B)representatives (C)governors

3、Devaluation is an official decrease in the value of a nation’s currency.

(A)money (B)taxes (C)prices

4、The plan was defeated by a lack of support.

(A)scattered (B)starved (C)stopped

5、With the dawn of space exploration, the notion that atmospheric conditions on Earth may be unique in the solar system was strengthened.

(A)beginning (B)continuation (C)expansion

答案：ABACA

详解：

Civilization

n. 文明;文化如何查英语四级成绩

All civilization ought to be aroused against war.

应唤起整个文明世界来反对战争。

Representatives

n. 代表;众议院(representative的复数形式)

The leaders asked their representatives to abstain from voting.

领导者要求他们的代表投票时弃权。

Money

n. 钱;货币;财富

He entrusted his money to me.

他把他的钱托付给我。

Stopped

v. 停止;停下来(stop的过去式和过去分词)

adj. 停止的;停顿的

They stopped talking at my approach.

我走近时他们停止了谈话。

beginning

n. 开始;起点

v. 开始;创建(begin的ing形式)

This is only the beginning.

这仅仅是开始。