第3题: [单项选择]Passage One Questions 26 to 28 are based on the passage you have just heard. A. Fifty underground stations were made waterproof. B. A flood wall was built. C. An alarm system was set up. D. Rescue teams were formed. 参考答案:B 答案解析:[听力原文] What measure was taken against floods in London in the 1980s
第8题: [单项选择]下面可使程序单步执行的命令是 A. SET STEP ON B. SET ESCAPE ON C. SET DEBUG ON D. SET STEP OFF 参考答案:C 答案解析:[解析]命令SET STEP ON | OFF可用于设置是否单步执行程序中的命令行。设置为OFF,不能进行单步执行方式,如果设置成ON,则表示单步执行程序命令方式。