阅读课文《厄运打不垮的信念》片断，完成练习。

    经过四年的努力，他完成了新书的初稿。为了使这部书更加完备、准确，59

岁谈迁携带着书稿，特地到了明代的都城北京。在北京的那段时间，（   ），广泛（   ）前朝的逸闻，并亲自到郊外去（   ）历史的遗迹。

    他一袭破衫，终日（   ）在扑面而来的风沙中。面对孤灯，他不顾年老体弱，

奋笔疾书，他知道生命留给自己的时间已经不多。又经过了几年的奋斗，一部新

的《国榷》诞生了。新写的《国榷》共104卷，500万字，内容比原先的那部更

加翔实、精彩，是一部不可多得的明史巨著。谈迁也因此名垂青史。

    It was Saturday. Mike stayed at home alone(单独地). His parents went to visit his grandparents in another city. He did his homework and read books. After lunch, he watched TV and played basketball on the playground with Jack. He felt very tired. In the evening, his parents came back and brought him some presents. They were a schoolbag and a basketball. Mike felt very excited!

以下是四种粒子的结构示意图，结合图示回答下列问题．

（1）属于同种元素的粒子是____；（填字母，下同）
（2）化学性质相似的粒子是____ 

读一读，选出不同类的一项。

《老王》最后一段中说“可是我害怕得糊涂了”作者“害怕”____表现了作者____ 。