【简答题】下列不属于传热的基本方式的是( )(2.0分)A. 辐射 B. 对流 C. 干燥 D. 蒸发
【单选题】_____ most of these languages are now threatened and may disappear is a serious matter to the people in Britain.
【简答题】电力线路一般以什么样的等值电路来表示?等值电路有哪些主要参数?这些参数各反映什么物理现象?
【多选题】下列说法错误的是
A.
连接件的需用切应力等于剪切破坏实验得到的强度极限
【单选题】Misunderstandings_______ from short of communication, unless______ properly, may lead to serious problems.
【简答题】If the number of cars is cut down,the most serious problem to American workers is to____________.
【简答题】下列不属于传热的基本方式的是( )A. 辐射 B. 对流 C. 干燥 D. 蒸发
【单选题】His illness is _____ than before.
【简答题】What serious skin irritant is found in most commercial tile cleaners?
【单选题】_________ you may have, you should gather your courage to face the challenge.
A.
However a serious problem
B.
What a serious problem
C.
However serious a problem
D.
What serious a problem