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【单选题】
药物的治疗指数是指A.
ED50与LD50的比值
B.
LD50与ED50的比值
C.
LD50与ED50的差
D.
ED95与LD5的比值
E.
LD5与ED95的比值
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举一反三
【单选题】Pass me the glasses please. I can _____ read the words in the newspaper. [ ]
A.
hardly
B.
really
C.
clearly
【单选题】Client: Could you please break the dollar into quarters? I need the coins for the telephone stand. Bank Clerk: ______
A.
Here, you have them.
B.
Here, take them.
C.
Sure, in what denomination?
D.
Sure, here you ar
【单选题】设输入信号抽样值 ,采用逐次比较型编码器,按 A律13折线编成8位码 A.01110101 B.11110101 C.01110011 D.11110011
A.
01110101
B.
11110101
C.
01110011
D.
11110011
【单选题】设输入信号抽样值 ,采用逐次比较型编码器,按A律13折线编成8位码 等于( )。
A.
01110101
B.
11110101
C.
01110011
D.
11110011
【简答题】May I have you attention please? I have few things to tell you. When you have class here in the language lab, please be here a little early. Change your shoes before enter the lab. Don’t bring anythin...
【简答题】Présentez-vous en français.
【单选题】Client: Could you please break the dollar into quarters? I need the coins for the telephone stand. Bank Clerk: ______
A.
Here, you have them.
B.
Here, take them.
C.
Sure, in what denomination?
D.
Sure, here you are.
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