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【简答题】
重力式挡土墙常用的基础有( ) 、 ( ) 、( )、( ) 。
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反馈参考答案：
举一反三
【多选题】Which safety rules are expected to abide by if there is a fire?
A.
If a fire occurs in your home, GET OUT, STAY OUT and CALL FOR HELP. Never go back inside for anything or anyone.
B.
If closed doors or handles are warm or smoke blocks your primary escape route, use your second way out.
C.
If your clothes are on fire; Stop, Drop, and Roll until the fire is out. Shout for help, but don't run.
D.
If you live in a building, use elevators. Leave all your things where they are and save yourself.
【单选题】关于营养素,下列说法中正确的是
A.
微量营养素具有生热作用
B.
维生素属于宏亮营养素
C.
膳食纤维属于微量营养素
D.
非必需营养物必须从食物中获得
E.
必需营养素不能在体内合成
【简答题】进入zookeeper 程序bin文件夹 命令:zkServer.sh status
【单选题】This passage consists of advice on fire safety primarily for ________.
A.
people using a new kind of equipment
B.
workers in an engineering factory
C.
teachers
D.
students
【单选题】What's the main characteristic of this new national fire safety campaign?
A.
This new one tells something about the smoke alarms, cooking or smoking.
B.
It makes use of many media, such as TV, radio and the Internet to inform. the public of the fire safety.
C.
It covers a wider range of information to the public.
D.
It has particularly made out the fire prevention handbook.
【单选题】It can be inferred from the passage that______.
A.
fire safety lessons should be aimed at American adults
B.
American children have not received enough education of fire safety lessons
C.
Japan is better equipped with fire facilities than the Untied States
D.
America's large population accounts for high fire frequency
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