第21题: [单项选择]{{B}} Questions 11 to 20 are based on the conversation you’ ve just heard.{{/B}} A. He is often late for meals. B. He is expecting a letter from abroad. C. He wrote to his family last month. D. He is anxious to go back home. 参考答案:B 答案解析:[听力原文]
M: I haven’ t heard from my family since last month.
W: Don’ t worry, John. Overseas mail i
第30题: [单项选择]有如下程序 a=100 Do s=s +a a=a+1 Loop While a>120 Print a 运行时输出的结果是( )。 A. 100 B. 120 C. 201 D. 101 参考答案:D 答案解析:[解析] 本题考查Do While语句的用法。本题应该注意,尽管a>120一开始就不成立,但 Do循环仍然执行一次,因为While放在Do语句块的后面,循环体先执行,再判断,本题正 确答案为选