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【单选题】
分娩即将开始的较可靠征象是（）A.
阴道流出血性黏液
B.
子宫底降低
C.
胎动活跃
D.
尿中绒毛膜促性腺激素增多
E.
先露已入盆
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【单选题】What does Tom think about Hong Kong?
A.
The weather is cool at this time of year in Hong Kong.
B.
Hong Kong is not a wonderful place.
C.
Hong Kong is interesting but food is not good.
【单选题】下列有关青霉素G叙述中错误的是
A.
为有机酸，难溶于水，常用其钠盐
B.
粉针剂性质稳定，易溶于水，但水溶液极不稳定，故临用现配
C.
半衰期短
D.
耐酸，常口服给药
E.
抗菌作用决定于β-内酰胺环
【单选题】下列有关青霉素G叙述中错误的是()
A.
为有机酸，难溶于水，常用其钠盐或钾盐
B.
粉针剂性质稳定，易溶于水，但水溶液性质极不稳定
C.
不耐热，室温中24小时大部分破坏失效，故临用时配制
D.
耐酸，常口服给药
E.
抗菌作用决定于β-内酰胺环
【简答题】线路交换技术的优点是数据传输可靠、迅速,数据不会丢失且保持_______;缺点是在某些情况下,线路空闲时的信道容易被_______:因此,它适用于系统间要求高质量的_______数据传输的情况。
【单选题】I was ______ to learn that you are going to spend the summer with your parents in Hong Kong.
A.
disgraced
B.
distracted
C.
thrilled
D.
bleached
【简答题】请听下面一段材料，回答第1-2题。 1. What can we know about Cheng Naishan? [ ] A. She was born in Hong Kong. B. She shows great interest in new Shanghai. C. She is the author of Shanghai Lady. 2. How did the woma...
【简答题】Dear Dongdong I have been in Hong Kong for a whole week. I will stay here for another week. Hong Kong is really a great place to visit. There’s so much to see and do here. And I’ve done so many wonder...
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