长期鼻饲者胃管更换时间是()。
A.1天1次
B.1周1次
C.1周2次
D.隔天1次
E.2周1次
参考答案:B
----Where did you see the movie Life of Pi directed by Ang Lee?
----It was in the cinema I regularly go.
A.which
B.that
C.what
D.where
液空的蒸发可以得到比液体原含()量高的(),也可得到比液体原含()量高的()。