能使细胞有丝分裂停止于中期的药物是
A. 甲氨蝶呤
B. 放线菌素
C. 阿糖胞苷
D. 氟尿嘧啶
E. 长春碱
“喘由外感者治肺,由内伤者治肾”出自
A. 《医门法律》
B. 《景岳全书》
C. 《类证治裁》
D. 《证治汇补》
E. 《丹溪心法》
上级将原来自己的部分权力随同工作责任下放,移交给下级,称为()
A. 放权
B. 交权
C. 分权
D. 授权
John told us that by the end of the year they()together for thirty years.
A. would have been living
B. would have lived
C. Would have. been lived
D. will have been living