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单选题

A．They exhibit similar symptoms.
B．They can be treated with the same drug.
C．They have almost the same mortality rate.
D．They have both disappeared for good.

参考答案A

解析:
what do we learn about Ebola Zaire and Ebola Sudan?
A)。详解.短文中提到，人类感染的Ebola病毒有两种，分别是Ebola Zaire和Ebola Sudan，而且这两种病毒所导致的症状几乎完全相同，故A)为答案。

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单选题

A．By inhaling air polluted with the virus.
B．By contacting contaminated body fluids.
C．By drinking water from the Congo River.
D．By eating food grown in Sudan and Zalre.

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单选题

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

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简答题听音频，{MP3:http://wximg.233.com/attached/media/20160512/20160512175650_9309.mp3}
回答题
The ideal companion machine would not only look, feel, and sound friendly but would also beprogrammed to behave in an agreeable manner.Those 26 that make interaction with other peopleenjoyable would be simulated as closely as possible, and the machine would 27 charming,stimulating, and easygoing.Its informal conversational style would make interaction comfortable, andyet the machine would remain slightly 28 and therefore interesting.In its first encounter it might besomewhat hesitant and unassuming, but as it came to know the user it would progress to a more 29 and intimate style.The machine would not be a passive 30 but would add its ownsuggestions, information, and opinions; it would sometimes 31 developing or changing the topicand would have a personality of its own.
The machine would convey presence: We have all seen how a computer's use of personal namesoften 32 people and leads them to treat the machine as if it were almost human.Such features areeasily written into the software.By introducing 33 forcefulness and humor, the machine could bepresented as a vivid and unique character.
Friendships are not made in a day, and the computer would be more acceptable as a friend if it 34 the gradual changes that occur when one person is getting to know another.At an 35 timeit might also express the kind of affection that stimulates attachment and intimacy.
第（26）题

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