【多选题】What are the three questions we need to answer for text analysis?
B.
how does the author develop the text?
C.
why does the author write the text?
【判断题】用蒸馏法、分馏法测定液体化合物的沸点,馏出物的沸点恒定,此化合物一定是纯化合物。
【单选题】How many parts are the text divided into?
【单选题】How many parts are there in Text A?
【单选题】How many ways of the water returning to the air are discussed in the text?