4.Why is the use of ZMapp controversial among scientists?
A.Because it is so expensive that few can afford it.
B.Because it hasn't had any effect on the people given ZMapp so far.
C.Because it is still in the period of testing.
D.Because many doctors used it without approval.
答案:C'考查细节理解。根据最后一段的倒数第二句“The use of an experimental drug to treat Ebola has caused some disagreements among scientists, as the drug is still in the testing stages”可知,选C项。
1.recovery n. 恢复;痊愈2.deadly adj. 致命的
3.contact n./vt. 接触;联系
4.infect vi./vt. 感染;传染
5.spread vt. 传播;扩散
6.treatment n. 治疗;对待
1.look after 照顾
2.in the center of 在……中心
原文:It's important to be aware of the fact that the
outbreak of Ebola in Africa is in the news because such outbreaks are extremely rare. (同位语从句)
译文:意识到埃博拉在非洲爆发被报道是因为这样的爆发是极其罕见的事实,是很重要的。
仿写:The majority of the students hold the view that_it_is_convenient_to_go_to_school_by_electric_bike.
大多数学生都持这一观点:骑电动自行车上学非常方便。
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