【单选题】In September 1944 he was able to return to his academic duties, but soon after the war ended he _______ a serious illness and did relatively little research thereafter (从那以后).
【判断题】从调节的角度来看, SPWM 逆变器非常适用于交流变频调速系统。
【单选题】In September1944 he was able to return to his academic duties ,but soon after the war ended he ____ a serious illness and did relatively little research thereafter(从那以后).
【多选题】《药品目录》中,“备注”栏标有“◇”的药品,因其组成和适应症类似而进行了归类,所标注的名称为一类药品的统称。以下属于凡例中归类的有()
【单选题】小夹板固定扎带松紧度以可以上下移动多少厘米为合适
【简答题】In September 1944 he was able to return to his academic duties, but soon after the war ended he ____(患上了)a serious illness and did relatively little research thereafter .
【简答题】In September 1944 he was able to return to his academic duties, but soon after the war ended he ( ) a serious illness and did relatively little research thereafter ( 从那以后 ).
【判断题】常见的浮子的结构有 鼓型浮子 、 圆形浮子、 铰链鼓式浮子、 圆柱形浮子。
【简答题】In September 1944 he was able to return to his academic duties, but soon after the war ended he was stricken ____ a serious illness and did relatively little research thereafter ( 从那以后 ).
【单选题】根据下列材料,请回答下列各题: 女,39岁。突发右七腹阵发性绞痛,夜间发作。伴右肩部不适、恶心、呕吐,发热38.3℃。诊断胆囊结石3年,曾有类似发作2次。查体:右上腹肌紧张,有压痛和轻度反跳痛,Murphy征(+)。 可用于鉴别诊断的首选检查方法是