如果一种危险物具有多种事故形态,且它们的事故后果相差大,则按后果最严重的事故形态考虑体现了事故严重度评价的()原则。
A.概率求和
B.全面性
C.最大危险
D.预见性
参考答案:C
He came to my class every week, but his attitude ________ he was not really interested in the subject.
A.expressed
B.described
C.explained
D.suggested
国家以土地管理者身份征收土地出让金或地租。 ( )