题目

根据句意从方框中选择合适的词，并用其适当形式填空。  bad? luck? direct? hero? day  【小题1】【小题1】We can learn how to make a vegetable salad from the ___________ newspaper.【小题2】【小题2】People walked in all __________ (direct) after getting off the bus.【小题3】【小题3】We should remember all the ___________ names till the end.【小题4】【小题4】Whose drawing is? the? ___________of all the six students?【小题5】【小题5】___________, she found her new iphone at last.（4分）下列变化①碘的升华②烧碱熔化③氯化钠溶于水④氯化氢溶于水⑤氧气溶于水⑥氯化铵受热分解。其中（1）未发生化学键破坏的是           ；（2）仅发生离子键破坏的是_____；（3）仅发生共价键破坏的是（不包括范德华力）         ；（4）既发生离子键又发生共价键破坏的是   _____。