执行语句序列 int x=10，&r=X； cout＜＜x＜＜’-’，＜＜r＜＜endl； 输出结果为 【9】 。
参考答案：10-10
第二节 开放作文（15分）
请根据下面提示，写一篇短文。词数不少于50。
In your English class, your teacher shows you he following picture. You are asked to describe the picture and explain how you understand it.
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阐述施肥的方法有哪些？
