精选优质文档-倾情为你奉上Unit 1A land of diversity 单词拼写应用核心单词1means n手段；方法2hardship n苦难；困苦3boom n(人口、贸易的)繁荣 vi.处于经济迅速发展时期4occur vi.发生；出现5luggage n行李6hire vt.& n租用；雇用7thankful adj.感激的；感谢的8reform vt.& vi.改革；革新 n改良；改革；改造9grasp vt.& n抓住；抓紧；掌握；领会10customs n海关；关税；进口税语境运用用所给词的适当形式填空。1It just occurred(occur) to me that if we wanted to go to the seashore for our vacation，we had better make reservations in advance.2I am not certain whether I
