下列哪一项不是生物维持生命所必需的[ ]
A．水
B．阳光
C．空气
D．土壤
答案：D
注册会计师进行年度会计报表审计时，一般无需专门对期初余额发表审计意见，因而不必对期初余额实施审计程序。()
When I returned to my hometown, I was nearly lost. Almost ______ had changed. [ ]
A. nothing
B. anything
C. something
D. everything
