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搜题
【单选题】
下列现象中，不能证明空气存在的是（ ）A.
空瓶倒立放入水中水不易进入瓶中
B.
向自行车内胎充气
C.
疾风知劲草
D.
太阳照在上
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反馈参考答案：
举一反三
【多选题】which one is expendable mold?
A.
Sand mold
B.
Shell mold
C.
Plaster-mold
D.
Ceramic-mold
E.
Investment mold
F.
Evaporative-pattern
【多选题】which one is permanent mold?
A.
Slush
B.
Pressure mold
C.
Centrifugal：
D.
Squeeze mold
E.
Semisolid-metal
【单选题】What is the aim of the blue Sky Mold
A.
To work closely with their customers to ensure their demands are met
B.
Provide all their customers with the vey best Chinese extrustion mold products and techincal support
C.
to create excellence
D.
to build a new company
【单选题】The firm is now in the _____ of moving the main equipment to new place.
A.
process
B.
action
C.
development
D.
direction
【多选题】Objectives in mold cooling system design include ( ).
A.
minimize heat transfer rates
B.
minimize mold cost
C.
minimize volume and complexity
D.
facilitate mold usage
【判断题】A new mold development project like a new written book always starts with a blank plate.
A.
正确
B.
错误
【单选题】下面正确配置路由器远程登录密码的命令是 ( ) 。
A.
Router (config)#line VTY 0 4 Router (config-line)#login Router (configline)#enable password 100
B.
Router (config)#enable secret level 15 0 100
C.
Router (config)#enable secret level1 0 100
D.
Router (config)#enable secret level 15 5 100
【判断题】A new mold development project like a new written book always starts with a blank plate.
A.
正确
B.
错误
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