Hello! I'm John. I'm 1 the classroom. Look! This is a desk. The desk is 2 . 3 is nice. What4 is it? It's orange. My English book and my schoolbag are on it. 5 schoolbag is black. What's in the schoolbag? A book, a pencil box and a watch are in it. What's in the pencil box? There are (有) 6 pencils. One pencil is red 7 two pencils are yellow. Where is my key? My key is 8 . It isn't in my schoolbag. Is it on the desk? 9 , it isn't. I must find it. Please 10 me if(如果) you found it. My telephone number is 62718568.

读下列材料和图，回答相关问题。

材料一：北方果农利用农家有机材料如麦秸、稻草、玉米秆、杂草等有机物质，覆盖于树盘、树行（一行行果树）或全果园。覆盖厚度在15~20cm，一般连续覆盖3~4年为一个周期。每年将腐烂的物质埋入果园地，然后继续覆盖上述有机物质，但覆盖时应避开2~3月份。

材料二：上图为某区域年太阳日照时数图，图中A、B两地是我国重要的苹果产地。

如图是人在一个标准大气压下的一次平静呼吸过程中肺内气体的变化曲线图，下列表述正确的是（　　）