家住辽宁省朝阳凌源市的小学六年级学生刘沼硕，3岁那年，父亲离家出走，3年后，母亲患病。从此，他成了家中的“顶梁柱”，承担了照顾家庭的重任。面对记者，他说：“我有信心让妈妈过上好日子。”刘沼硕和他母亲组成的这个家源于（    ）

下列各种微粒结构示意图中，与表示的意义一致的是 （    ）

阅读短文，判断正确还是错误。

A letter

Here is a letter from Jim to his friend in the USA

Dear Lily:

    I am in China now. I go to school five days a week. The school and the food are good here. I have some Chinese friends. They are all very friendly to me. On Saturdays and Sundays we stay at home. In the afternoon we play games. My Chinese friends like English very much. They ask me to teach them English and they teach me Chinese. I like staying here.

    Please write soon!