The old man was found on the floor .
A. lying；dead B. lying；death
C. lying；died D. laying；dead
Scientists are convinced ________ the positive effect of laughter _______ physical and mental health.
A. of; at B. by; in C. of; on D. on; at
Each of the students，working hard at his or her lessons， to go to university.
A. hope B. hopes C. hoping D. hoped
假设你校来了一批加拿大的访问学生，周末学校安排他们到近郊游玩，并由你负责。请你按照下列相关信息，在出发前一天简单介绍行程与安排。
注意：
1. 信中要包括下表中的所有内容；
2. 词数：120左右；
3. 信的开头和结尾已经给出，但不计入总词数。
Hi, everyone! I’m very pleased to be your guide for the Day Tour to Xishan.
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短文改错 （共10小题；每小题1分，满分10分）
请改正下面短文中的错误。文中共有10处语言错误，每句中最多有两处。每处错误仅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（∧），并在其下面写出该加的词。
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。
This morning I got up early and went to school as usually, only to find there were nobody in the classroom because it is Sunday. “How a bad memory I have!” I couldn’t help laughing. Stand in front of the school gate, I began to wonder what to do next. Suddenly a good idea occurs to me. “Why not get together with some good friends for a picnic in such fine weather?” I immediately telephoned some of my best friends, but they all agreed to join me. About two hours late, we finally arrived a pleasant park with trees and flowers here and there. We really enjoyed us greatly.
At the entrance 1. a big office in London there was a book 2. all employees had to sign 3. they arrived each morning. At nine o’clock, the manager’s secretary, who lived in a small flat above the office, had to 4. a red line under the last name in the book, and anyone who came after that had to explain_ 5. he was late. 6. there was a thick fog in the city, the first person7. (arrive) late usually wrote “Delayed by fog” under the red line in the book, and then everybody 8. who came after that just put “ditto” underneath. But one foggy morning, the first man who arrived late wrote “My wife had a baby early this morning” ___9. of “delayed by fog” under the red line in the book. Twenty or thirty people who came____10. (介词) him put “ditto” underneath this as usual.
