题目： 先天性瞳孔残膜的特点有A．残膜无伸缩性，影响瞳孔运动B．瞳孔色素上皮向后粘连于晶状体前囊C．由于先天性虹膜组织极度发育不全而形成D．自一侧的虹膜卷缩轮跨越瞳孔至对侧虹膜卷缩轮处E．常合并相应部位的脉络膜缺损 答案： 参考答案：D
题型：阅读理解 School ShowName ActivityDateTelephone NumberJackDo Chinese kung fuNovember 20th472-3305LucySing English songsNovember 21st473-9020MikePlay the pianoNovember 22nd472-4456TomPaintNovember 23rd472-2111SandraSing Beijing OperaNovember 24th474-1171 上面是学校文艺沙龙一周的活动安排。请根据表格内容选择最佳答案。 小题1:We can watch Beijing Opera on _________ . A．November 21stB．November 22ndC．November 23rdD．November 24th小题2:On November 20th , we can _________ . A．watch Chinese kung fuB．watch Beijing OperaC．paintD．play the piano小题3:We can call _______ if we want to watch the piano show . A．474-1171B．472-2111C．472-4456D．472-3305小题4:________ sings English songs for us on November ________ . A．Lucy , 21stB．Mike , 22ndC．Sandra , 24thD．Tom , 23rd小题5:Tina likes art , so she can go to _________ . A．Jack’s kung fu showB．Mike’s piano showC．Tom’s paint showD．Sandra’s Beijing Opera show 查看答案
题型：多项选择题 输送机不允许在下列情况下工作。（）A.溜槽、刮板链等的固定螺栓、销未紧固好，刮板链扭曲及变形时。B.人员穿过输送机和沿输送机行走时或站在机头对面时。C.磨料性岩石和可见性岩石超过30%时。D.为保证输送机安全运行，输送机采取以下电气保护措施。 查看答案
