小儿腹泻补液原则为（）、（）、（）、（）。
参考答案：先快后慢；先盐后糖；先浓后淡；见尿补钾
-------Do you have enough to ________all your daily expenses?
--------Oh yes, enough and to spare.
A．cover
B．spend
C．fill
D．offer
The young man used to ___________ to work, but he is used to ___________ to work now.
A. drive, walking B. drove, walked C. drive, walks
--------Oh yes, enough and to spare.