俱乐部物品()
A、既对内排他也对外排他
B、对内不排他,但不供外部成员享用
C、不存在分配问题
D、没有竞争性
参考答案:B
Jane was disappointed that most of the guests_______when she _____at the party.
A.left; had arrived
B.left; arrived
C.had left; had arrived
D.had left; arrived
DeBakey关于主动脉夹层分型下列描述正确的是()
A.Ⅰ型指起源于升主动脉不累及腹主动脉的
B.Ⅱ型指起源于降主动脉并累及腹主动脉的
C.Ⅰ型起源于升主动脉,并累及腹主动脉
D.Ⅱ型起源于降主动脉不累及腹主动脉
E.Ⅲ型起源并局限于升主动脉