A. failure is the mother of success B. what you do not wish done to yourself, do not do to others C. we should put others first and ourselves last D. everything is hard in the beginning 参考答案:B 答案解析:推理题。通读全文,作者想传达“已所不欲,勿施于人”的道理。
A. At least one week. B. Seven months. C. One month. D. At least three weeks. 参考答案:A 答案解析:[听力原文] Doctors in the Canadian city of Toronto say an operation to separate conjoined twins f
第33题: [单项选择]胆囊小,肝内胆管扩张,提示梗阻部位是() A. 肝总管与胆囊管汇合处 B. 胆总管十二指肠上段 C. 左右肝管与肝总管汇合处 D. 胆总管十二指肠后段 E. 胰头壶腹段梗阻 参考答案:C 答案解析:根据胆道梗阻的部位不同,肝内外胆管、胆囊、胰管是否扩张及扩张的程度也不相同。肝外胆管即指肝脏外面的胆道系统,包括肝总管、胆囊管、胆总管几个部分。肝总管自左、右肝管分叉到胆囊管入胆总管开口之间,长约2.