一般说来，集权或分权和程度，常常根据各管理层次拥有的下列哪项权力来确定？（）
A.决策权
B.计划权
C.组织权
D.领导权
参考答案：A
Though famous all over the world, Yuan Longping, sunburnt, ______ with his simple life and ____ in
plain clothes, is still busy with his experiment to improve his super-hybrid rice. [ ]
A. being satisfied; being dressed
B. satisfying; dressing
C. satisfied; dressed
D. to be satisfied; to be dressed
可以使用肠内营养的是（）。
A.脑外伤
B.严重腹泻
C.肠道感染
D.胃出血
E.肠梗阻
