A.solid materials such as wood or bales of fiber
B.flammable liquids
C.a piece of electrical equipment
D.combustible metallic solid
第3题
A.Clients can rent a portable computer or mobile phone free of charge.
B.Without a passport clients can also rent a portable computer or mobile phone.
C.Both a credit card and valid passport are needed to rent a portable computer or mobile phone.
第5题
A.Fixed CO2, semi-portable CO2, then hand portable CO2
B.Semi-portable CO2, fixed CO2, then hand portable CO2
C.Hand portable, semi-portable CO2, then as a last resort the fixed CO2 system
D.Hand portable, fixed CO2, then as a last resort the semi-portable CO2
第6题
A.portable
B.peaceful
C.positive
D.postal
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!