【单选题】___ we know, in a chemical change, energy cannot be created, ____.
A.
Which, nor can it be destoyed
B.
As, neither it can be destroyed
C.
As, neither is it able to be destoryrf
D.
What, nor is destoryed
【多选题】按生产系统的特性划分,可将服务性运作划分为()。
【多选题】Water wheels are machines that use the energy of ______ to turn a wheel. The axle of the turning wheel can then power other machines to do work.
【单选题】下面关于“六书”的说法,错误的是?
A.
六书是指汉字的六种造字方法:象形、指事、形声、会意、转注、假借。
B.
《说文解字》最早提出了汉字的造字规律——六书。
【单选题】For a (n) ___________ system, neither matter nor energy can be transferred between system and surroundings.
【多选题】按生产系统的特性划分,可将服务性运作划分为()。
【单选题】__ we know, in a chemical change, energy cannot be created, ____.
A.
Which, nor can it be destroyed
B.
As, neither it can be destroyed
C.
As, neither is it able to be destroyed
D.
What, nor is destroyed
【判断题】《说文解字·叙篇》:“形声者,以事为名,取譬相成,江河是也。”
【单选题】For a(n) system, neither matter nor energy can be transferred between system and surroundings.