慢速英语:US Officials: 100 People in Dallas May Have Had Contact with Ebola Patient

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短语讲解：

1. U.S. health officials say as many as 100 people may have had contact with an Ebola patient in Texas.

as many as 和…一样多; 不下于
例句：My books are twice as many as yours.
我的书是你的两倍多.

2. Officials in Dallas, Texas say 12 to 18 people had direct contact with Mr. Duncan.

contact with 与…有交往[联系]
例句：Avoid close contact with birds.
避免与禽鸟有亲密接触。

3. There have been more than 7,100 cases of Ebola reported in West Africa.

more than 多于
例句：True friendship is worth more than money. 
真正的友谊比金钱更有价值。