公用工程装置仪表风的管网压力是（）。A.0.5～0.7Mpa B.0.6～1.0Mp_爱下问搜题

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问题单项选择题

公用工程装置仪表风的管网压力是（）。

A.0.5～0.7Mpa

B.0.6～1.0Mpa

C.0.4～0.6Mpa

D.0.5～1.0Mpa

答案

参考答案：A

单项选择题

过量胰岛素致低钾血症的机制是（）

A.醛固酮产生过多

B.汗腺分泌增加

C.结肠分泌加强

D.肾小管重吸收障碍

E.钾向细胞内转移增加

填空题

Questions 14-18

·Using the information in the text, complete each sentence 14-18, with a word or phrase from the list below.
·For each sentence (14-18), mark one letter (A-G) on the Answer Sheet.
·Do not mark any letter twice.

A. $150
B. safe
C. agreements
D. drivers who can’t drive on because of the flat tire
E. a flat tire
F. provide a kind of temporary support to the flat tire
G. more than $150

"Disabled motorists" means ______.