黑暴烟，在烘烤时表现为（）。
A.变黄快，脱水慢
B.变黄快，脱水快
C.变黄慢，脱水快
D.变黄慢，脱水慢
参考答案：D
By age 7 months, an infant most likely will develop which of the following motor skill
A. Walk with one hand held.B. Eat successfully with a spoon.C. Stand while holding onto furniture.D. Sit alone using the hands for support.
三因治宜是指：（）。
A、因地
B、因人
C、因时
D、因病
