My family were moving to the countryside and I had to make some__    _and learn to lead adifferent life there．

A．allowance

B．accommodation

C．adjustment

D．assessment

磁场强度测定可使用（）

A.万能电表

B.紫外分光光度计

C.交直流高斯计

D.示波器

E.声功率测定器