在投资偏差产生原因的分析中,( )不属于客观原因导致投资偏差。
A.自然因素
B.社会原因
C.设备涨价
D.法规变化
参考答案:C
X、Y和Z是三种金属,X、Y都能与稀硫酸反应放出氢气而Z不能;Y能在X的盐溶液中置换出X.则它们的金属活动性顺序为( )
A.X>Y>(H)>Z
B.X>Z>(H)>Y
C.Y>(H)>X>Z
D.Y>X>(H)>Z
Tyron was very angry, but coolheaded enough to________rushing into the boss's office. [ ]
A. prevent
B. avoid
C. protect
D. allow