单项选择题

Passage Three Questions 33 to 36 are based on the passage you have just heard.
（）

A．More strains will evolve from the Ebola virus.
B．Scientists will eventually find cures for Ebola.
C．Another Ebola epidemic may erupt sooner or later.
D．Once infected, one will become immune to Ebola.

<上一题目录下一题>

热门试题

单项选择题

A．It was better than the previous one.B．It distorted the mayor’s speech.C．It exaggerated the city’s economic problems.D．It reflected the opinions of most economists.

A．It was better than the previous one.
B．It distorted the mayor’s speech.
C．It exaggerated the city’s economic problems.
D．It reflected the opinions of most economists.

单项选择题

We learn from the first paragraph that （）

A．dead leaves and tree debris make the same sound
B．trees that are dying usually give out a soft moan
C．organic debris echoes the sounds in a rain forest
D．the sound of a forest signifies its health condition

Passage Three Questions 33 to 36 are based on the passage you have just heard. （）

Passage Three Questions 33 to 36 are based on the passage you have just heard.
（）