听力原文:What will Lucy be doing tomorrow evening?
(9)
A.Watching a basketball match.
B.Cleaning up the new apartment.
C.Going to the cinema with Margaret.
D.Going shopping with her friends.
第9题
用雷管起爆导爆管网路时,起爆导爆管的雷管与导爆管捆扎端端头的距离应不小于____。
A 5cm
B 10cm
C 15cm
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!