放射线式检测仪一般由放射源、传感器、电信号转换处理电路和（）等四部分组成。
参考答案：显示装置
带式输送机输送带及其上面的物料由沿输送机全长布置的______支撑。
When shopping you must keep it in mind that don't let yourself be________ into buying things
you don't want.[ ]
A. expressed
B. organized
C. persuaded
D. preferred
