胸主动脉瘤最根本的治疗方法是 __________ 。
参考答案:切除瘤体并置入人造血管
Jimmy felt terribly sorry because he took his deskmate's math book away__________[ ]
A. in mistake
B. by mistake
C. in trouble
D. by wrong
对于反映流体压力的压力表示值读数有下列说法,其中()不正确。
A、压力
B、相对压力
C、表压力
D、真空度