下列各选项的运算结果正确的是（ ）

2010年夏秋之际，河南商城多人被蜱虫咬伤后不治身亡，引起村民恐慌。蜱虫一般都生活在一些动物表皮，以吸取动物血液为生，所以体内经常会携带有来自动物的多种病毒。如果携带有这些病毒的蜱虫叮咬了人，患者可能会感染上某些病毒，继而引发重大疾病。蜱虫的生活方式、蜱虫体内的病毒属于的生态系统成分分别是（　　）

根据短文内容判断下列句子正误。

    Wednesday，Sep，28th Today was a sunny day．In the morning，Mike and I went to Bruce's home．It was his Birthday．I bought some pencils with different animals for him．He liked them very much．Mike bought him a pencil-box．Bruce's parents bought him a big cake．After we played the chess，we ate the birthday cake and lunch together．We had a good time．