中国有个名句“运筹帷幄之中，决胜千里之外．”其中的“筹”原意是指《孙子算经》中记载的算筹，古代是用算筹来进行计算，算筹是将几寸长的小竹棍摆在平面上进行运算，算筹的摆放形式有纵横两种形式（如下图所示），表示一个多位数时，像阿拉伯计数一样，把各个数位的数码从左到右排列，但各位数码的筹式需要纵横相间，个位，百位，万位数用纵式表示，十位，千位，十万位用横式表示，以此类推．例如6613用算筹表示就是 ，则9117用算筹可表示为（   ）

根据短文内容的理解，选择正确答案。

    Mike is a factory worker. He is often very tired after a day's work. His wife, Jenny, has no job, so she stays at home to cook the meals. Every day he can have his dinner when he gets home from his factory.  

    One day, Mike came home very late because he was very busy in the factory. He was very hungry when he got home. He was not happy when he found his dinner was not ready. He was very angry with his wife. He shouted at her, "I'm going out to eat in a restaurant." "Wait for five minutes，" said his wife. "Why? Do you think that dinner will be ready in five minutes?" asked Mike. "Of course not," she answered. "But I can be ready to go with you in five minutes."    

水稻的抽穗、扬花、结实过程是一个有性生殖的过程，因为在这一过程中，水稻（　　）

. It wasn’t until nearly a month later ________ I received the manager’s reply.

某粒子结构示意图如图所示，下列说法错误的是（　　）

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