题目: We planted trees last year. [ ]A. hundreds of B. hundred of C. five hundreds D. five hundred of 答案: 答案:A
题型:选择题 — When will the expert come and give the lecture on economic development? — Not until our program ____ by the authorities.[ ]A. approvesB. is to approveC. has been approvedD. will be approved 查看答案
题型:单项选择题 患儿男性11岁。右下腹痛24小时,伴腹泻呕吐,以阑尾炎入院。在基础+腰麻下行阑尾切除术。腰麻药选用轻比重布比卡因,术后2天出现左小腿及踝以下足背麻木,左足背屈无力。本例原因属()。A.腰麻并发症B.抗生素所致C.与麻醉无关D.与手术操作有关E.全麻并发症 查看答案