对《春望》的理解不正确的一项是( )。
A:“国破山河在,城春草木深。”一句意为:故国沦亡,空留下山河依旧,春天来临,长安城中荒草深深。
B:“感时花溅泪,恨别鸟惊心。”一句意为:感叹时局,看到开花也不由得流下眼泪,怨恨别离,听到鸟鸣也禁不住心中惊悸。
C:“烽火连三月,家书抵万金。”一句意为:战争已经持续了三个月,家书珍贵,足抵得上万两黄金。
D:“白头搔更短,浑欲不胜簪。”一句意为:痛苦中我的白发越搔越短,简直要插不上头簪。
Last year, some groups of students in their community (社区) made a survey about “How do people spend their free time? ” The following diagrams(图表) show some results of it: Diagram (1): Hours for people of different ages who surf the Internet in a week. Diagram (2): Different days people go to the library. (library attendance)
Diagram (3): Different programs people like.
复数z=i1-i2,则复数z+1在复平面上对应的点位于( )
下列几种变异中,能够遗传的是( )