识读历史纪年表是培养历史核心素养“时空观念”的重要途径之一。观察下列“中国历史纪年表（局部）”，回答问题。

指出病因并改正。

①《三国演义》中，曹操中了反奸计，致使赤壁大败，几乎全军覆没。

②赛场上，甲乙两队正在争夺冠亚军。

③我在飞机上俯瞰祖国的沧海桑田，被眼前的美景陶醉了。

④他荣获了“十佳主持人”。

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下短文。短文中共有10处错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号(∧), 并在此符号下面写出该加的词。

删除：把多余的词用斜线（＼）划掉。

修改： 在错的词下划一横线, 并在该词下面写出修改后的词。

注意：1 每处错误及其修改均仅限一词；

2 只允许修改10处, 多者(从第11处起) 不计分。

            My brother Donald didn’t do well in math. When the day of theexam comes, Donald sat next to Brian, which was always good at math. Donaldcareful copied Brian’s answers. At end of the exam, the teacher collected thepapers and graded it. Then she decided to give a prize to the student who gotthe high grade. But it was a bit of difficult for her to make a decision,because Donald and Brian got the same grade. The teacher thought about that andmade on her mind to give the prize to Brian. Donald said it was unfair. “That’strue,” the teacher said. “Therefore, Brian’s answer to Question 18 was ‘I don’tknow’. Your was ‘Neither do I’.”

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