该图中N为北极点,A、M、B位于地球表面,NP为经线,MN的球面最短距离为2553千米。读图完成问题。 若AM为昏线,则此时节
若观测到M地日影最短的时刻是北京时间12时40分,则M地大致位于
The teacher criticize me, so I must finish my essay about agriculture,farmer and rural areas today______.
----- Would you like to climb the Mountain Tai on May Day? _____, I’d like to.
---- Are you sure you really want it for watching the Navy celebration in Qingdao? ----_______, I’m willing to pay____ you ask for.
The students shouldn’t only be judged_____ how good their remarks were in the exam.in order to start their own business
In our school, the students have three_____ courses, and seven______ entrepreneurial education courses .