肢体动脉栓塞的表现包括().
A.Pain
B.Paralysis
C.Pallor
D.Perthestest(+)
E.Paresthesia
参考答案:A, B, C, E
发现有人煤气中毒,可以奋不顾身的去抢救。
--- Where is your mother?
--- She has ______ to Sichuan on business. She has ______ there four times recently.
A.gone, gone
B.been, been
C.gone, been
D.been, gone