零售商业物业经营管理类型中的( )的管理工作包括市场需求分析、选址分析、经营业态和

清政府查禁鸦片的最根本原因是[ ]

A．中国人民深受其害

B．道光帝深受其害

C．鸦片泛滥威胁清王朝统治

D．林则徐要求禁烟

The child _______ trees for the whole four hours with his parents. [ ]

A. plants

B. have been planting

C. has been planting

D. has been planted

It was reported that a tall man with a black mask broke into the house and stole $5000_______.    [ ]

A. in return  

B. in relief    

C. in cash      

D. in ruins

适宜电光浴治疗的是（）

A.小面积烧伤

B.大面积烧伤

C.浅平而新鲜的创面

D.分泌物减少或者脱痂露出新鲜肉芽组织

E.创面的坏死组织或脓性分泌物较多，肉芽生长不良

蓝牙技术其正常的工作范围在（）M半径范围之内

A.5

B.10

C.15

D.20