问题
单项选择题
与普萘洛尔相对，选择性β受体拮抗剂具有以下优点（）
A.对支气管的收缩作用较弱
B.对血糖影响小
C.对血管平滑肌的收缩作用较弱
D.对血脂影响小
E.以上均有
答案
参考答案：E
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与普萘洛尔相对，选择性β受体拮抗剂具有以下优点（）
A.对支气管的收缩作用较弱
B.对血糖影响小
C.对血管平滑肌的收缩作用较弱
D.对血脂影响小
E.以上均有
参考答案：E
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| In the summer vacation of 1997, I was fixed with a job. I worked as a(n) 1 at Mr. Breen's fruit shop.The fruit shop did 2 business. Most of the trade came from the housewives who lived in the neighborhood, 3 he also had regular customers who arrived outside the shop in cars. Mr. Breen 4 them all by name and they sometimes even had their order already made up, always 5 me to carry it out to their car. They were clearly long-standing customers, and I 6 they must have stayed faithful to him 7 he had promised to sell good quality 8 . He had a way with them -I had to 9 that. He called every woman"madam" for a start, 10 those who clearly were not, but when he 11 it, it did not sound like flattery (奉承). It just sounded 12 in an old-fashioned way. He was a great chatter 13 . If he did not know them, he would greet them with a few 14 about the weather, 15 he did, he would ask about their families or make 16 , always cutting his cloth 17 his customers. Whatever their bills came to, he 18 gave them back the few odd pence (零钱), and I am sure they thought he was very generous (慷慨). But I thought he was the opposite. He never 19 anything away. He was always looking for 20 for nothing. | ||||
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