【判断题】理想电压源和理想电流源之间也可以相互等效。
【判断题】理想电压源与理想电流源之间可以互相等效。()
【判断题】拉坯成型工艺适用于制作碗、瓶、盆等同心圆造型的器皿。
【判断题】When you are writing the date of a memo, you can write the month in abbreviated form.
【单选题】You are writing a memo to employees announcing the loss of free parking. Which of the following would be the best closing sentence in this bad-news memo to employees? ( )
A.
We understand your disappointment with this decision.
B.
If you would like to sign up for our ride-sharing program to save on parking expenses, please see the receptionist.
C.
We trust you will continue to do your best in spite of the present difficult situation.
D.
Thank you in advance for your cooperation.
【单选题】Which of the following is NOT a point you should remember in writing a memo?
A.
be rude to your reader
C.
come to the point first
【单选题】外面剂能使混凝土拌合物在不增加水泥用量的条件下,改善拌合物的和易性和黏聚性,降低( )。
【判断题】理想电压源和理想电流源不可以相互等效替换。