Antibiotics have almost [8] diseases that at one time killed hundreds of people every year.

The discovery of antibiotics has led to a dramatic decrease in infectious diseases – one of modern medicine’s greatest _____.

Some populations, especially the young, the old, and those who are already sick, are more [3] to serious bacterial infections.

Superbugs have the _____ to cause public health disasters, especially in large, crowded cities.

There is a clear _____ between the overuse of antibiotics and the increase in drug-resistant bacteria.

After the weaker bacteria are killed by the antibiotics, stronger bacteria continue to [2].

A famous medical researcher will [4] the global threat of drug resistance during a speech this afternoon.

Scientists are feeling [1] about a new drug that has been effective against one of the new superbugs.

A. A new Japanese exchange student, Mr. Minami (M), is talking with Mr. Brown (B). (4)   M: レイクアリスで、いっしょにおよぎませんか。 B: えっ、レイクアリスで[1]よ。 (2) M: えっ、どうしてですか。 B: わにが[2]。(2)

A. Mary and Takeshi are talking in the classroom. (3)   1. Mary lends her new pen to Takeshi.      [1] 2. Takeshi and Mary will meet at lunch time.      [2] 3. Both Mary and Takeshi will have quizzes today.      [3]