According to WTO''s definition of tourism, outbound tourism refers to ____.
Fill in the blanks with the words givenbelow. Each word is marked with a letter. You should decide on the best choice.
连续两次鼻饲的间隔时间应不少于()
A. 1.0小时
B. 1.5小时
C. 2.0小时
D. 2.5小时
E. 3.0小时
每次鼻饲的量不应超过()
A. 200ml
B. 300 ml
C. 400 ml
D. 500 ml
E. 600 ml