一般情况下,下列哪种器官移植术中失血量最大()
A.肾移植
B.肝移植
C.心脏移植
D.心肺联合移植
E.胰腺移植
参考答案:B
The rudders are amidships and both screws are going ahead. What will happen if the starboard screw is stopped?()
A.The bow will go to port
B.The bow will go to starboard
C.The bow will remain steady
D.The stern will go to starboard
理性认识的特点有______。
A.抽象性
B.直接性
C.形象性
D.具体性
E.间接性