2. 外语
  3. According to the first paragraph, one of the concerns related to international biomedical research is ______. The word "thorny"

According to the first paragraph, one of the concerns related to international biomedical research is ______. The word "thorny"

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问题 According to the first paragraph, one of the concerns related to international biomedical research is ______.
The word "thorny"(Para. 1) most probably means "______".
选项 A、prickly
B、difficult
C、misunderstood
D、sharp
答案B
解析 词义判断题。根据后面对问题的具体列举，可以判断出该词应为“困难”的意思。
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大学英语四级

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