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【多选题】
工程资料按保管密级可分为 ( )等几种期限。A.
秘密
B.
绝密
C.
保密
D.
超机密
E.
机密
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举一反三
【简答题】Many large building which are used for storing goods need clean air and controlled tempreture. This can be expensive. because it uses a lot of energy.1)_________________ save costs, some companies ar...
【多选题】How do you think the feature of PA?( )
A.
Practice-orientation
B.
Inclusive theoretical system
C.
Sunrising subject
D.
Value-based
【单选题】北宋沈括认为 “ 天地之变,寒暑风雨,水旱螟蝗,率皆有法 ” ,这句话包含的哲学道理是
A.
规律可以为人所认识
B.
规律是事物运动过程中本身所固有的联系
C.
事物的运动、变化和发展是有规律的
D.
事物是运动的，规律是客观的
【单选题】The turn signal indicator lights when you _____ the turn signal lever _____before making a left turn ,the left side arrow on the instrument panel flashes.
A.
push……down
B.
push ……back
C.
push……upon
D.
push……up
【简答题】Turn-signal lamps
【单选题】As shown in figure, a fixed amount of ideal gas changes from equilibrium state A to B (Pa=Pb). Which of the following statement is true?【图片】
A.
The internal energy is increased.
B.
The system must do positive work during any process from state A to B.
C.
This system need to absorb heat from environment.
D.
This system need to release heat into environment.
【简答题】turn signal
【单选题】北宋沈括认为“天地之变,寒暑风雨,水旱螟蝗,率皆有法”,这句话包含的哲学道理是
A.
规律可以为人所认识
B.
事物的运动、变化和发展是有规律的
C.
科学的思维方法靠亲身实践才能掌握
D.
科学的思维方法必须以科学的世界观和方法论为指导
【单选题】北宋沈括认为 “天地之变,寒暑风雨,水旱螟率皆有法”,这句话包含的哲学道理是( )
A.
规律可以为人所认识
B.
事物的运动变化和发展是有规律的
C.
事物是运动的，规律是客观的
D.
规律是事物运动过程中本身所固有的联系
【简答题】Our off-the-grid system consists of eight solar panels (1,000 watts) that are mounted on a sun tracker rack. We also have a wind turbine that generates 3,000 watts in 24 mph winds. The energy generate...
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