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Love So Rare
When Dawn inherits half of a luxurious estate in South Africa, she's overjoyed--until she finds out that to keep the estate, she must marry the man who owns the other half: Ralf Deverell, whose golden good looks draw her in even as his cold, unwelcoming eyes freeze her out.Unwillingly, Dawn goes through with the arrangement. Sure, she can find some legal way out of it, but Ralf's presence fills her with an undeniable desire--and soon she realizes he burns for her, too. But can their love survive in such troubled circumstances?自由的飘浮:航空知识
探索浩瀚的太空,是人类千百年来的美好梦想。人们憧憬着能随心所欲地遨游太空,与外星人对话交流,去太空休闲旅游度假,去拜访嫦娥的宫殿……我们的祖先有着未能登天的遗憾,可随着科技的进步,今天的人们已经能够自在地穿梭于天空之中。科技的发展和知识的普及不仅为我们解开了飞行的奥秘,也让我们看到了先前的探索者是如何一步步“走”上天空,弥补祖先留下的遗憾的。今天的我们,正见证着航天技术的飞速发展:多姿多彩的火箭,形态各异的人造卫星,还有宇宙飞船、航天飞机、空间探测器、空间站,这些航天器大家族共同谱写着远征天疆的雄壮乐章。