【简答题】低温下一维晶格热容与温度 T 的关系是正比于( )
【单选题】在分度圆半径不变的条件下,齿形角小于20度时,齿轮轮齿形状影响是
【简答题】1914年,陶行知以优异成绩毕业于()大学。他的毕业论文发表在《金陵光》学报上,其中阐述了()的关系。表明他已经深刻认识到教育在提高人民素质,促进国家进步发展中的地位和作用。
【多选题】社会化成为幼儿情绪情感发展的一个主要趋势是什么?
【单选题】Generally speaking, the fuel injected into a marine diesel engine combustion chamber is ignited by ______.
【单选题】One of the purposes for water cooling the exhaust manifold in marine diesel engine is to _______.
A.
reduce lube oil temperature
B.
raise exhaust temperature reduce
C.
excessive heating of engine room
D.
reduce load on cooling water pump
【多选题】社会化成为幼儿情绪情感发展的 一个主要趋势是什么?
【单选题】听力原文:W: Even though he doesn't particularly like it, I insist on shoveling the walk instead of letting my husband do it. M: Well, that's the smart thing to do. After all, he had a heart attack not too...
A.
He appreciates her concern.
D.
He cannot understand it.