题目

阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。On the first day of her work, Sally found that a class full of 【1】 (problem) was waiting for her. Six teachers 【2】 (quit) before she came to the class. When she walked into the classroom, it was 【3】 a mess: two boys were fighting in the far corner, yet the rest of the class seemed not to notice them； some girls were chatting and some were running； paper, food packages and other garbage 【4】 (put) on the desk... Just when she was about to speak, a student, 【5】was twenty minutes l读材料和图，结合所学知识，回答下列问题．广西是我国最大的蔗糖生产基地．2010年，食糖总产量710万吨，占全国总量的一半以上，连续多年高居全国首位．目前，广西食糖产量仅次于巴西和印度，成为世界上第三大食糖主产区．（1）我国南方地区的糖料作物是甘蔗，北方地区的新疆、黑龙江、内蒙古等省区的糖料作物是 ，体现了我国糖料作物呈现明显的“ ”的分布特点，形成这种分布特点是因为 的差异所致．（2）图甲、乙、丙、丁四省区中， 为我国最大的蔗糖生产基地．联系甲、乙两省区距离最短的铁路线是 铁路．