肩关节脱位（）
A．"餐叉"样畸形
B．下肢短缩、外旋畸形
C．腕下垂
D．下肢短缩、内旋、内收畸形
E．Dugas征阳性
参考答案：E
-----I am tired of learning English all day long.
------So am I. ____________.
A．Let’s find some of the action
B．You must be joking
C．Up to you
D．It’s totally fascinating
有如下程序：#includeusing namespace std;class B{public;virtual void f() {cout<<"B";}void g(){cout<<"B";}}class D;public B {public; void f(){cout<<"D";} void g(){coun<<"D";} }void h(B*p){p->f();p->g();}int main(){ D obj; h(&obj);return 0;}运行这个程序的输出结果是：
A．DD
B．BB
C．BD
D．DB
