Malaria, it is true, has been practically______ in thirteen countries, including the United States, and is under attack in many

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问题 Malaria, it is true, has been practically______ in thirteen countries, including the United States, and is under attack in many others.

选项 A、wiped out
B、died out
C、put out
D、kept out

答案A

解析 wipe out表示“消灭”:die out意为“灭绝”,只能作非及物动词用,不能有被动语态:put out“熄灭(火)”:keep out意为“不让进入”。本句意为:“确实,疟疾在包括美国在内的13个国家已经被全部消灭了,在其他国家也正在遭到围剿。”
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