【单选题】To prevent wasting of dietary protein, which of the following conditions must meet?:
A.
Dietary protein must be adequate in quantity
B.
Dietary protein must supply all essential amino acids in the proper amount
C.
The diet must supply enough carbohydrate and calories
【单选题】43 It is possible to extend lifespan by means of all the following EXCEPT
D.
aging-related processes.
【判断题】在不打开PowerPoint 2010演示文稿的情况下,也可以播放演示文稿。
【单选题】Manipulation of the spinal column, massage, and dietary adjustments ______ used in chiropractic therapy.
A.
the principal methods are
B.
are the principal methods
C.
how are the principal methods
D.
are there the principal methods