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This type of apparatus can produce more than 40,000 blood ______ a day.
This type of apparatus can produce more than 40,000 blood ______ a day.
admin
2010-05-25
46
问题
This type of apparatus can produce more than 40,000 blood ______ a day.
选项
A、examples
B、models
C、samples
D、specimen
答案
D
解析
固定搭配题。specimen意为“试样,标本,待试验物”。example意为“实例,榜样”;model意为“模范,典范,原型”;sample意为“样品”,与其他的在质量、性质和设计上相同。根据题意应选D 。
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专业英语四级
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