生理上、精神上有缺陷或者年幼，不能辨别是非、不能正确表达的人，在诉讼中不能作（）
A．被告
B．原告
C．被害人
D．证人
参考答案：D
ff the economy is just beginning to come out of a recession, which of the following would represent a typical sequence of phases in the business cycle（）
A. Expansion, business peak, contraction, recessionary trough.
B. Expansion, business peak, recessionary trough, contraction.
C. Depression, expansion, business peak, contraction.
临床上用来判断营养状态的指标有（）.
A．外周血淋巴细胞计数
B．近期体重变化
C．氮平衡
D．肌酐/身高指数
E．血浆白蛋白
