问题 单项选择题 B型题

高渗性昏迷()

A.阴离子间隙增大

B.血浆乳酸5mmol/L

C.尿糖阴性

D.空腹血糖9.1mmol/L

E.血钠155mmol/L

答案

参考答案:E

解析:1.高渗性昏迷患者由于失水严重,血液浓缩,激发性醛固酮分泌增多等因素可导致严重高血钠。2.DKA患者由于有机酸生成增加,导致阴离子间隙增大。3.低血糖昏迷患者尿糖阴性。4.根据糖尿病诊断标准,空腹血糖大于7.0mmol/L,而DKA和高渗性昏迷患者血糖往往大于16.7mmol/L。5.乳酸性酸中毒其血浆乳酸水平通常超过5mmol/L。

单项选择题 A1/A2型题
填空题

Part 4


Questions 26-45


·Read the following passage and choose the best word for each space.
·For questions 26-45, mark one letter A, B, C or D on the Answer Sheet.
Do you want to send an e-mail message to the White House
Good luck.
In the past, (26) President Bush — or at least those assigned to read his mail — what was (27) your mind it was necessary only to sit down at a personal computer connected to the lnternet and (28) a note to president@ whitehouse.gov.
But this week, Tom Matzzie, an online organizer with the A.F.L.-C.I.O., discovered that (29) with the White House had become a bit more (30) . When Mr. Matzzie sent an e-mail protesting (31) a Bush administration policy, the message was bounced back With an automated reply, saying he had to send it again in a new way.
Under a system (32) on the White House Website (33) the first time last week, those who want to send a message to President Bush must now (34) as many as nine Web pages and (35) a detailed form that starts by asking whether the message sender supports White House policy (36) differs with it.
The white House says the new e-mail system is an effort to be more responsive (37) the public and offer the administration "real time" access (38) citizen comments.
Completing a message to the president also requires (39) a subject from the provided list, then entering a full name, organization, address and e-mail address. (40) the message is sent, the writer must wait for an automated response (41) his message, (42) whether the addressee intended to send the message. The message is delivered to the White House only after the person using that e-mail address (43) it.
"Over (44) , it’s a very cumbersome process," said Jakob Nielsen, an authority on Web design. "It’s probably designed deliberately to (45) on their e-mail.\

A.confirms

B.verifies

C.confines

D.confesses