根据拼音写汉字。
不必说喜欢切切察察的长妈妈讲的震sǒnɡ( )骇人的长毛故事;不必说父亲那令人pán( )跚的买橘背影,那潸然泪下的tuí( )唐晚景;单是挑着一副生死重担终日为乡邻长途bá( )涉的信客就足以感动我们。
悚 蹒 颓 跋
历史上第二次生产力的发展改变了人口增长模式,具体表现为( )
学习投影后,小明、小颖利用灯光下自己的影子长度来测量一路灯的高度,并探究影子长度的变化规律.如图,在同一时间,身高为1.6m的小明(AB)的影子BC长是3m,而小颖(EH)刚好在路灯灯泡的正下方H点,并测得HB=6m.
Amy and her family ____ over the winter holiday.Hainan is ____ their home, so they went there ____. Sanya is a good place to visit. The weather is ____. The ____ is beautiful. Amy took lotsof pictures there. She ____ in the sea, too.