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【判断题】
def fun(x,y): global x,y t=x x=y y=t x=0 y=1 fun(x,y) print(x,y) 结果是 1 0A.
正确
B.
错误
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【单选题】苯乙胺类拟肾上腺素药，侧链氨基上被非极性较大烷基(例如异丙基或叔丁基)取代
A.
对α1受体亲和力增大
B.
对α2受体亲和力增大
C.
对β受体亲和力增大
D.
对β受体亲和力减小
E.
对α和β-受体亲和力均增大
【单选题】Part A Directions: You will hear 10 short dialogues. For each dialogue, there is one question and four possible answers. Choose the correct answer ― A, B, C or D, and mark it in your test booklet. You...
A.
She' s crazy.
B.
She wants to be a film star.
C.
She' s very fond of the film star.
D.
She's a stamp collector.
【单选题】Mary is so crazy _____ that famous singer that her hairstyle is similar _____his.
A.
to; about
B.
about; with
C.
with; to
D.
about; to
【单选题】苯乙胺类拟肾上腺素药，侧链氨基上被非极性较大烷基（如异丙基或叔丁基）取代（）。
A.
对α 1 受体亲和力增大
B.
对α 2 受体亲和力增大
C.
对β受体亲和力增大
D.
对β受体亲和力减小
E.
对α和β受体亲和力均增大
【单选题】孕妇,妊娠28周,因意外碰撞出现腹部持续性腹痛。查体:子宫硬如板状,有压痛,子宫比妊娠周数大,阴道无流血,胎心、胎动消失。该病人是出现了什么问题
A.
先兆流产
B.
难免流产
C.
异位妊娠
D.
前置胎盘
E.
胎盘早剥
【单选题】Mary loves her garden. She plants roses and lilies. She is crazy about lilies! She also plants tomatoes, peppers, and cucumbers. The money she spends on her garden is worth every penny! According ...
A.
Roses.
B.
Lilies.
C.
Cucumbers.
D.
tomatoes.
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