风湿性心脏瓣膜病伴心力衰竭患者，服用地高辛治疗1周，前3日每天服用0.5mg，后4日

10D的近视眼患者，其远点距眼（）。

A.20cm

B.50cm

C.10cm

D.5cm

E.1m

– Let’s finish off the rest of the cake.

– None for me, thanks. I ___________ more than enough.

A. am having                  B. will have             C. have had

If a person has not had enough sleep, his actions will give him ___ during the day. [ ]

A. away

B. up

C. in

D. back

依照我国《海商法》的规定，附于甲轮上的船舶优先权会因下列哪些原因而消灭？

A．甲轮沉没

B．甲轮原船东将该船出售给另一船公司

C．甲轮被法院强制出售

D．请求人在船舶优先权产生之日起满1年仍不行使

安装干式报警阀组时，安全排气阀应安装在( )。

A．报警阀之后

B．气源之前

C．气源与报警阀之间、靠近气源处

D．气源与报警阀之间，靠近报警阀处