【单选题】What does the man want to do?
【单选题】CH3COOC2H5属于下列哪一类化合物?( )
【单选题】What does the man suggest that the woman do?
C.
Arrive for the seminar earlier.
D.
Wait until the speech is done.
【单选题】Why does the man have to go to work early this morning?
A.
He is working on a speech.
B.
He is leaving early to buy tickets for a ball.
C.
He is meeting with his boss.
D.
He is helping his cousin.
【判断题】时间继电器之所以能够延时是因为线圈可以通电晚一些。
【判断题】根据多栏式日记账登记总分类账的会计核算程序叫做日记总账核算程序。( )
【简答题】某链条锅炉参数和热平衡试验测得的数据列于表3-8,试用正反热平衡方法求该锅炉的毛效率和各项热损失。
【判断题】打碎水银温度计之后立即用扫帚和拖把打扫干净。
【单选题】What does the man want to do?