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第二节读后续写参考例文In fact,the earth was not splitting but the sea was roaring().Huge waves from the sea camecrashing towards the village.They swallowed Sami and Grandpa,separated them away and then drew backagain into the sea,dragging whatever came their way.Grandpa caught hold of Petu and climbed up.Hepanicked and screamed out to Sami but could not see him."Sami,Sami!"Grandpa cried and wailed.Thehigh waves came with terrifying speed and force.A wave carried him round and round.Finally,he wasthrown on top of a big coconut palm.A few minutes later;the waves went back and the sea calmed down.Sami hung on to the coconut tree.He could hear the cries and sighs of people in pain.He slowly came down the tree,very frightened.Hebegan to call out,"Grandpa,Grandpa!"as loudly as he could.Looking around,he saw a grey,old,lonelyman hanging on to a tree.He went closer.It was Petu,the coconut tree,and Grandpa was on its top.Hehelped Grandpa get off carefully.Looking at the tree,Sami and Grandpa couldn't help hugging it with tearsof gratitude.

十5.【答案】B【解析】该盐溶液遇到FCl溶液呈现血红色，说明该盐中含有SCN,该盐溶液与NaOH溶液混合并在加热条件下会生成一种能使湿润的红色石蕊试纸变蓝的气体，说明该盐中含有NHt,该盐是NH,SCN,元素W、X、Y、Z分别为H、C、N、S。.原子半径：S>C>N>H,A错误；三价铁离子与该盐的阴离子SCN形成了配离子而呈现血红色，B正确；该盐的阳离子(NH)VSEPR模型名称与其空间结构名称相同，都是正四面体形，C错误；电负性：N>S>H(即.Y>Z>W),D错误。