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【简答题】
（5分）浊液中分散质粒子的直径______（填“＞”或“＜”）100nm，溶液中分散质粒子的直径______（填“＞”或“＜”）1 nm，而胶体颗粒的直径介于______之间。这个尺寸与现代材料科学中____ __的直径大致相当，从而使胶体的研究更具有现实意义。布朗运动______（“是”或“不是”）胶体的特有性质。
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【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】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 lesson
C.
Japan is better equipped with fire facilities than the United States
D.
America's large population accounts for hight fire frequency
【简答题】进入zookeeper 程序bin文件夹 命令:zkServer.sh status
【简答题】Fire safety in family houses,_______ most fire deaths occur,is different to achieve. A．where B．which C．to which D．from what
【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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