配合是指具有过盈(包括最小过盈等于零)的配合。
参考答案:对
海上求生者在有淡水无食物时仍可生存()
A、10~20天
B、20~30天
C、30~50天
—What do you think of your trip to Yunnan?
—I really enjoy it. I didn’t expect it was wonderful.
A.as
B.more
C.most
D.very