如图所示为一种主动式光控报警器原理图，图中R1和R2为光敏电阻，R3和R4为定值

颌面部外伤可按_________、_________、_________、_________进行分类。

A client with recurred cancer is planned to take internal radiation treatment with a radium implant. The client tells the nurse that she is concerned about being radioactive and has been having nightmares about the treatment. What would be a reasonable explanation for the nurse to give to the client

A. "Careful shielding prevents the area above your waist from radioactivity. "
B. "These nightmares indicate that you’re in the denial phase of accepting the diagnosis. "
C. "The radioactive material is controlled and stays with the source; once the material is removed, no radioactivity will remain. "
D. "The radioactivity will gradually decrease, and you will be discharged when the radioactive material reaches its half-life. "

已定义好有参函数f(m)，其中形参m是整型量。下面调用该函数，传递实参为5，将返回的函数数值赋给变量to以下正确的是______。

A．t＝f(

B．t＝Call f(

C．t＝f(5)

D．t＝Call f(5)

某轮吃水15米，航行于日本濑户内海，其保留的富余水深应为：（）

A.1.5米

B.1.2米

C.1.0米

D.2.0米

患者，男性，21岁，突发右侧胸痛1小时，伴呼吸困难、大汗。查体：右侧胸廓饱满，右肺呼吸音消失。

当前最适当的治疗是（）

A.抗结核治疗

B.激素治疗

C.手术治疗

D.排气减压治疗

E.胸膜固定术