【单选题】抗生素联合用药的指征,哪一项是错误的()
【单选题】11事件
B.
Sept. 11 attacks/ the tragedy of Sept.11/ 9.11
【简答题】I learned how to accept life as it is from my father. . he did not teach me acceptance when he was strong and healthy, but rather when he was and ill . My father was a strong man who loved being activ...
【单选题】M30х3/2-7h的含义是( )。
A.
表示螺纹公称直径是30、导程是2、线数是3、中径顶径公差为7h的右旋细牙外螺纹
B.
表示螺纹小径是30、导程是3、线数是2、中径顶径公差为7h的右旋细牙外螺纹
C.
表示螺纹公称直径是30、导程是3、线数是2、中径顶径公差为7h的右旋细牙外螺纹
D.
表示螺纹小径是30、导程是2、线数是3、中径顶径公差为7h的右旋细牙外螺纹
【单选题】— Do you play ____ piano in your free time? — No, I like sports. I often play ____ soccer with my friends. [ ]
【简答题】2008年3月27日,阜阳已发现手足口病病例3321例。22人死亡,10例病危,48例重病,共多少例呢?