Since the adoption of these techniques there has not been a single case of______of HIV or hepatitis via plasma products. Doctors

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问题 Since the adoption of these techniques there has not been a single case of______of HIV or hepatitis via plasma products. Doctors agree that plasma products from paid donors are just as safe as those from unpaid ones.

选项 A、transaction
B、transition
C、transmission
D、transformation

答案C

解析 这两句话的意思是:自从采用这些技术以来,没有出现一例通过血浆产品传播艾滋病毒或肝炎的案例;医生们一致认为,来自有偿捐赠者的血浆产品和来自无偿捐赠者的血浆产品一样安全。transmission意为“传播、广播”;transaction意为“交易、处理”;transition意为“过渡、更替”;transformation意为“改变、转变”。因此正确答案为C。
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