A.He has decided how to spend the prize money.
B.He doesn't know how much his rent is going to be increased.
C.He's already planned to take part in next year's essay contest.
D.He has already paid his landlord for next year's rent.
第1题
《压力管道定期检验规则——公用管道》规定,直接检测方法包括管道内腐蚀直接检测方法和()。
A.外腐蚀直接检测方法
B.耐压试验方法
C.内检测方法
第5题
A.静电跨接和接地装置要保持良好完整,及时消除缺陷
B.及时消除跑冒滴漏
C.经常检查管道的腐蚀防护系统,确保管道腐蚀防护系统有效
D.将管道及支架作为电焊领先或起重工具的锚点和撬抬重物的支撑点
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!