【简答题】请写出两个你熟悉的无理数:______.
【单选题】长期服用阿片药物以下哪种并发症是患者不会耐受的
【简答题】请写出你自己下肢的两个关节:______关节,______关节.
【判断题】北京是中国至今唯一承办过世界遗产委员会会议的城市A. 对 B. 错
【单选题】若MCS-51中断源都编程为同级,当它们同时申请中断时,CPU首先响应( )。
【单选题】()是中国至今唯一承办过世界遗产委员会城市。
【简答题】请写出一个你熟悉的负无理数:________________
【简答题】十二指肠球部穿透性溃疡的腹痛特点是( )|十二指肠球部溃疡的腹痛特点是( )A. 进食-疼痛-缓解B. 疼痛-进食-缓解C. 呕吐酸酵宿食D. 腹痛放射至左肩左上臂内侧E. 腹痛放射至右肩、背部
【多选题】关于连词的用法,下面句子中存在错误的有
A.
Because K is very active in air, so that it is possible to autoignite.
B.
The widely-investigated metal species for the catalytic growth of carbon nanotubes include Fe, Co, Ni.
C.
The specific surface area of the material is up to 3000 m2/g, the pore volume is as high as 2 cm3/g.
D.
The conventional synthesis requires tedious multistep procedures and prolonged synthetic time, and the resulting bimetallics usually disperse unevenly and show poor stability.