单项选择题

患者女性，45岁。有机磷中毒住院，表现为轻度呼吸困难、大汗、轻度障碍，步态蹒跚、肺水肿、假有惊厥、昏迷及呼吸麻痹。考虑为重度有机磷中毒。血胆碱酯酶活性是

A.血胆碱酯酶活性50％～30％
B.血胆碱酯酶活性60％～35％
C.血胆碱酯酶活性<35％
D.血胆碱酯酶活性<30％
E.血胆碱酯酶活性70％～50％

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单项选择题

患者女性，62岁，因煤气中毒1天后入院，患者处于浅昏迷状态、脉搏130次／分、皮肤多汗、肤色潮红、口唇呈樱桃红色。需急查碳氧血红蛋白，关于采集血标本，下列描述正确的是

A.12小时后
B.24小时后
C.36小时后
D.8小时后
E.早期及时

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听力原文：W: Tell me, Peter, what makes Harold's so famous?M: Well, it's the biggest department store in the UK, and its food hall and Egyptian hall are very famous. People come to Harold's just to see them.W: What is special about the food hall?M: It sells many different kinds of fooD.For example, it has 250 kinds of cheese from all over the world, and more than 180 kinds of breaD.Customers also love all the different kinds of chocolatE.They buy 100 tons every year.W: That's amazing, and why is the Egyptian hall so famous?M: Well, when people see it they feel they're in another worlD.It looks like an Egyptian building from 4,000 years ago, and it sells beautiful objects. They are not 4,000 years old, of coursE.W: Is it true that Harold's produces its own electricity?M: Yes, it does. 70% ,enough for a small town. To light the outside of the building we use 11,500 light bulbs.W: Really, tell me, how many customers do you have on an average day? And how much do they spend?M: About 30,000 people come on an average day. But during the sales, the number increases to 300,000 customers a day. How much do they spend? Well, on average, customers spend about 1.5 million pounds a day. The record for one day is 9 million pounds.W: 9 million pounds in one day?M: Yes, on the first day of the January sales.W: Harold's says it sells everything to everybody everywhere, is that really true?M: Oh, yes, of coursE.Absolutely everything.(23)A.Enormous size of its stores.B.Numerous varieties of fooD.C.Its appealing surroundings.D.Its rich and colorful history.

A.W:
B.
W:
C.
W:
D.
W:
E.5
F.
W:
G.
(23)
A.Enormous
H.
B.Numerous
I.
C.Its
J.
D.Its

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