_____ Australia is large in area, it is small in population.
A. Because B. Although C. Since D. Unless
--- _____ Haojiang Peach Blossom（桃花） Festival took place in late February. Did you go there?
--- Yes. I took the No. 36 bus and then a _____ walk to Ju Feng Temple.
A. The seventh; 20-minute
B. The seven; 20-minute
C. The seventh, 20 minute’s
D. The seven; 20 minutes’
--- _____ can people communicate with each other if they can’t speak? --- By using _____.
A. What; speech B. What; speeches
C. How; gesture D. How; gestures
--- Do you hear someone _____ on the door? --- Yes. It is late at night. Who can _____ be?
A. knock; he B. knock; it
C. knocking; he D. knocking; it
Disney research center creates _____ unusual robot which can draw pictures on the beach. _____ robot is 60 cm long and 40cm high.
A. a; A B. an; The C.a; A D. a; The
（共15分）
随着经济的发展和人民生活水平的提高，垃圾问题日益突出。我国 有668 座城市，2/3 被垃圾环带包围。这些垃圾埋不胜埋，烧不胜烧，造成了一系列严重危害。但是，如果对消费环节产生的垃圾及时进行分类，那么垃圾山可以变成金山。请你根据下文提示写一篇关于垃圾匪类的倡议书，词数80词左右。
内容包括：
1. 为何要提倡垃圾分类？
2. 我们在实际生活中可以怎样做（两至三条建议）？
3. 号召同学们参与垃圾分类活动。
参考词汇：分类sore ; 垃圾分类garbage sorting
