题型:判断题 不是硝酸甘油的药理学特性的有()。A.降低心肌耗氧,恢复其氧供需平衡B.降低左心室舒张末期压、改善心肌供血C.扩张脑血管、长时间应用可升高颅内压D.被生物降解产生NO而起作用E.遇光易分解,配制后应避光,3小时未用完应重新配制 查看答案
题型:判断题 ________ was known to us all that Johnson had broken his promise ________ he would give each of us a small gift.[ ]A.As; which B.What; thatC.It; that D.It; which 查看答案
题型:判断题 翻译下列短语。1. pretend to do/be____2. pretend to be doing _____3. pretend to have done _____4. pretend that____ 查看答案
题型:判断题 有关早期静脉高压的描述,不正确的是()A.肺动脉段膨出,代表肺动脉主干扩张及右心室流出道增大B.上叶肺静脉明显扩张,能在平片上显示出1-2条长而宽的血管影象C.表现肺门血管搏动,是由于肺动脉主干高度扩张后引起肺动脉瓣相对关闭不全D.两肋膈角出现间隔线E.其共同点为中央和外围血管均增粗 查看答案