第7题: [单项选择]胆总管内正常压力为 A. 0.49~0.98kPa(5~10cmH2O) B. 0.98~1.47kPa(10~15cmH2O) C. 1.47~1.96kPa(15~20cmH2O) D. 2.45~2.94kPa(25~30cmH2O) E. 2.94~3.43kPa(30~35cmH2O) 参考答案:D 答案解析:[解题思路] 胆总管内正常压力为2.45~2.94kPa(25~30cmH2O)
第12题:[单选题]This kind of animals are on the verge of extinction,because so many are being killed for their fur. A.drying up B.dying out C.being exported D.being transplanted 参考答案:B 本句意思:这种动物濒临灭绝,因为人们为了获取它们的毛皮把它们中的大多数都给杀死了。extinction意为“灭绝,绝迹”,与die out(灭绝,消失)意思相近。dry up擦干;export出口;transplant 移植。