题目内容

1958年广州市为了改善市区环境和百姓业余生活,建了四个人工湖,分别是哪四个人工湖?

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男性,60岁,出现进行性吞咽困难半年,人院临床诊断为食道癌,拟行手术治疗。下列哪项术前准备是错误的()

A. 加强营养
B. 做好口腔护理
C. 术前戒烟
D. 术日禁饮食
E. 术前日禁食

WMH-800型微机母线保护有何特点?

Which statement is TRUE().

A. You need not keep a record of ground garbage dumped into the sea more than 25 miles offshore
B. You must keep a record of garbage discharged in port to a shore facility
C. You need not keep a record of garbage incinerated on the ship
D. You must keep a record of the approximate weight of the garbage dumped

架空线路指档距超过25米,利用杆塔敷设的高、低压电力线路。

A. 正确
B. 错误

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