设有关系模式：student(sno，sname，age，dept)，现利用命令：

上颌根尖片可显示的下颌骨解剖结构是

A．髁突

B．喙突

C．外斜线

D．下颌切迹

E．下颌小舌

两国经过协商，已达成协议：双方军队各自撤回自己的（）。

A．边疆

B．边界

C．边境

D．边区

A local elementary school has requested scoliosis screening for its students from the hospital's community outreach program. The school should be informed that （）.

A．these students are too young to screen; instead, older students should be screened.

B．these students are too old to screen and will no longer benefit from screening for scoliosis.

C．scoliosis screening requires sophisticated equipment and can't be done in school.

D．this is an appropriate request and arrangements will be made as soon as possible.

热风炉燃烧制度中炉顶温度、废气温度分别有何要求？（）。

A、炉顶温度小于或等于1380℃

B、废气温度小于350℃

C、炉顶温度大于或等于1380℃

D、废气温度大于350℃

片剂包糖衣的工序为（）

A.包隔离层→粉衣层→糖衣层→有色糖衣层→打光

B.包隔离层→糖衣层→粉衣层→有色糖衣层→打光

C.包粉衣层→隔离层→糖衣层→有色糖衣层→打光

D.包隔离层→糖衣层→有色糖衣层→粉衣层→打光

E.包糖衣层→有色糖衣层→隔离层→粉衣层→打光