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【单选题】
Ⅳ期临床试验是指（）A.
扩大的多中心临床试验
B.
随机盲法临床试验
C.
初步的临床药理学及人体安全性评价试验
D.
药品非临床研究试验
E.
新药上市后进一步验证疗效和监测不良反应
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反馈参考答案：
举一反三
【单选题】在中国，栽桑养蚕、制作丝绸是一个历史传统，种植的桑树上可能会有转基因作物花粉飘落，因此转基因作物的花粉对家蚕的影响是必须要评价的，而在美国这样的问题不会存在，因此不需评价。请问此处遵循了转基因生物安全性评价原则中的（ ）？
A.
逐步原则
B.
个案评估原则
C.
实质等同性原则
D.
科学原则
【单选题】某工程双代号时标网络计划如下图所示，根据第6周末实际进度检查结果绘制的前锋线如点划线所示。通过比较可以看出( )。
A.
C工作实际进度拖后2周，影响工期2周
B.
D工作实际进度超前2周，不影响工期
C.
D工作实际进度拖后3周，影响工期2周
D.
E工作实际进度拖后1周，不影响工期
【单选题】The car crashed into a queue of people, ______ were killed.
A.
four of whom
B.
four of which
C.
four of them
D.
four of those
【简答题】It is difficult for doctors to help a person with a damaged brain. Without enough blood, the brain lives for only three to five minutes. More often the doctors can' t fix the damage. Sometimes they ar...
【单选题】听力原文：What were the husband and wife doing? (10)
A.
They were having a joke.
B.
They were washing the dishes.
C.
They were running for the first who will not wash the dishes.
D.
They were running for the first who will wash the dishes.
【简答题】引起Cushing综合征常见的原因有______、______、______、______。
【简答题】It is difficult for doctors to help a person with a damaged brain. Without enough blood, the brain lives for only three to five minutes. More often the doctors can’t fix the damage．Sometimes they are ...
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