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【单选题】
根据材料，回答题 药物临床试验是指任何在人体进行的药物系统性研究，以证实或揭示试验药物的作用，临床试验分为四期 初步的临床药理学及人体安全性评价试验属于 查看材料A.
Ⅱ期临床试验
B.
Ⅰ期临床试验
C.
Ⅲ期临床试验
D.
Ⅳ期临床试验
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皮皮学刷刷变学霸
举一反三
【单选题】Which of the following can best explain the underlined expression? He made no attempt to hide his anger.
A.
make no difficulty
B.
make no mistake
C.
make no sense
D.
make no efforts
【单选题】He made no attempt to ____ his dislike of me.
A.
implant
B.
conceal
C.
score
D.
weaponize
【单选题】_______________, the great Roman general and historian, ever came to Britain in the first century B.C., but he made no attempt to conquer this Island.
A.
Julius Caesar
B.
Claudius
C.
Duke William
D.
Augustus
【简答题】He made a attempt to improve conditions. (sincere and honest; that can be trusted)
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