听力原文:M: Would you like to go to the theater tonight?
W: I'd rather stay at home and read books. I have to get up early and go to work tomorrow.
What is the woman going to do tonight?
A.Go to the theater.
B.Read books.
C.Go to work.
第1题
药物的安全指数是指
A、ED50/LD50
B、ED5/LD95
C、LD50/ED50
D、ED95/LD5
E、LD95/ED5
第6题
药物的治疗指数是
A.ED50/LD50
B.ED95/LD50
C.LD50/ED50
D.LD5/ED50
E.ED95/ED5
第7题
药物的安全范围指()
A、ED5与LD95之间的距离
B、ED95与LD5之间的距离
C、ED50与LD50之间的距离
D、ED10与LD10之间的距离
E、ED95与LD50之间的距离
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