皮皮学,免费搜题
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搜题
【单选题】
抗结核的首选药物是
A.
链霉素
B.
异烟肼
C.
利福平
D.
吡嗪酰胺
E.
乙硫异烟胺
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举一反三
【简答题】Suppose that a coin is tossed three times,Then the sample space contains the following eight possile outcomes s1 ,......s8 , s1 :HHH, s2 :THH, s3 :HTH, s4 :HHT s5 :HTT, ...
【多选题】青年 22-25 这个阶段在生理上是机能巅峰和性的需求,在心理上是
A.
立足
B.
竞争
C.
享受
D.
恋爱
【多选题】下列关于光纤的说法正确的有哪些
A.
是一种利用光在玻璃或塑料制成的纤维中的全反射原理传输的光传导媒介(传输介质)
B.
光纤由光纤芯、包层和涂覆层三部分组成
C.
综合布线一般采用红外光纤, 有三个波长区分别为850nm、1310nm、1550nm
D.
按照传输模式来分可分为单模光纤和多模光纤
【简答题】In fact, (1) is not a product like your (2) . I t is a kind of (3) that makes something else more (4). For example, suppose you have a (5) of written directions f or getting to the bank. Now im...
【单选题】KMnO4滴定 所需的介质是
A.
硫酸
B.
磷酸
C.
盐酸
D.
硝酸
【简答题】Suppose Z is standard normal distributed, please find out P(-1.45 t 0 )=0.025 (where df=11)= (3) ; P(t>t 0 )=0.01 (where df=9)= (4) .(精确到小数点后三位)
【单选题】下面那一种帐号不能看到询盘( )。
A.
操作员
B.
业务员
C.
管理员
D.
业务经理
【简答题】将下面的英语句子翻译成中文 1.Please turn on the air conditioner. It’s so hot here. 2. I t’s a beautiful day, isn’t it? 3. W hat ’s t oday ’ s temperature? 4. Due to the poor weather, the spring outdoor is delayed....
【单选题】Suppose t = (1, 2, 4, 3), which of the following is incorrect?
A.
print(t[3])
B.
t[3] = 45
C.
print(max(t))
D.
print(len(t))
【单选题】Suppose country A, a labor-abundant country, produces only wheat and cloth. The following equations illustrate the prices and costs of wheat and cloth in the country , where the numbers indicate the a...
A.
B.
C.
D.
D
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