【单选题】When it comes to the end of the meeting, dont forget to make a conclusion, ______?
【单选题】The police need some more evidence ________they can make a conclusion.
【多选题】下列哪些疾病可检测到单克隆蛋白M蛋白增高()
【单选题】What conclusion can we make from the passage?
A.
Building roads without machinery was almost impossible 2,000 years ago.
B.
It took a long time for the Romans to build roads by hand.
C.
People still use the old Roman way of building roads.
D.
Stones were used only in roads in Asia.
【单选题】We should always make full investigations______ to reaching a conclusion.
【判断题】随着生产技术水平的变化,生产函数也会发生变化。