题目

根据句意和汉语提示拼写单词【小题1】My grandfather loves birds and he often goes _______ (观鸟) in the forest.【小题2】Let’s go to the _______ (市场) to buy some vegetables.【小题3】A sparrow is small in size. It has brown and grey _______ (羽毛).You can see it in many parts of the world.【小题4】My grandparents like their _______ (母鸡) because they lay eggs every day.【小题5】Birds cannot fly high without _______ (翅膀).下列物质的化学用语正确的是（   ）A．溴化钠的电子式： B． 14C的原子结构示意图：C．HClO的结构式：H－Cl－OD．原子核内有10个中子的氧原子：