小题1:fresh,
小题2:when/while,
小题3:worse,
小题4:threw,
小题5:allows,
小题6:responsibility,
小题7:it,
小题8:like,
小题9:memories/memory,
小题10:behind
小题1:考查形容词:fresh新鲜的,修饰air,
小题2:考查连词:我们有些人在观光的时候会摘花:当…时候:when/while,
小题3:考查词组:what was worse,更糟糕的是
小题4:考查动词:很多游客到处仍垃圾:threw,
小题5:考查词组:allow sb to do允许某人做…,allows,
小题6:考查名词:责任:responsibility,
小题7:考查代词:it指代 the beauty of nature,
小题8:考查介词:like象,
小题9:考查名词:记忆:memories/memory,
小题10:考查词组:leave sth behind留下