5．although/though 考查连词。根据语境可知，空格处应用连词although/though引导让步状语从句，指"虽然小镇被雪覆盖，但居民们还是情绪高涨，共同迎接挑战"。

　　6．to be broken 考查非谓语动词。根据语境可知，此处说的是"将被打破的纪录"，故用不定式表示将来发生的动作，又因逻辑主语record是不定式动作的承受者，所以用不定式的被动式。

　　7．must/should 考查情态动词。此处指"雪人必须/应该由三个独立的雪球组成"，故用must/should。

　　8．them 考查代词。此处指代人们堆的雪人，且作make的宾语，故用them。

　　9．cooperation 考查词性转换。此处指"幸好有许多人的合作"，且空处位于定冠词之后，故用名词形式cooperation。

　　10．to 考查介词。add to为固定用法，意为"增加；增添"。

　　Ⅳ.短文改错

　　Nowadays, food waste is becoming seriously in China. To show their hospitality in interpersonal communication, some customers ordered far more than what is enough, cause much food to be untouched and thrown away.

　　What is even more unbearable lie in the fact what banquets at public expenses cost the reputation of our government as well as a huge amount of money. The money could have actually been spent helping those which are in need. Consequently, such waste really makes people be disappointed and depressed.

　　To our delighted, as a nationwide campaign against waste at the dining table has launched, "Clear the Plates" is gaining more acceptance and support. Therefore, the nation's "Clear the Plates" is most likely to become the mainstream idea of hospitality through everyone efforts.

　　答案：

　　Nowadays, food waste is becoming in China. To show their hospitality in interpersonal communication, some customers far more than what is enough, much food to be untouched and thrown away.

　　What is even more unbearable in the fact banquets at public expenses cost the reputation of our government as well as a huge amount of money. The money could have actually been spent helping those are in need. Consequently, such waste really makes people disappointed and depressed.

To our ， as a nationwide campaign against waste at the dining table has launched, "Clear the Plates" is gaining more acceptance and support. Therefore, the nation's "Clear the Plates" is