SECTION 4
Directions: Each question below consists of a word printed in capital letters followed by five lettered words or phrases. Choose the lettered word or phrase that is most nearly opposite in meaning to the word in capital letters. Since some of the questions require you to distinguish fine shades of meaning, be sure to consider all the choices before deciding which one is best.
CRUX:
A.peripheral element
B.commencement
C.conviction
D.affliction
E.gratuity
第4题
按()分气瓶可分为液化气体气瓶、溶解乙炔气瓶、永久气体气瓶等。
A.结构
B.使用要求
C.充装介质
D.使用材料
第8题
大多钢瓶事故由充装环节造成的,为安全起见,国家实行气瓶充装单位只能充装()气瓶。
A.任何气瓶
B.自有产权
C.固定客户气瓶
D.托管气瓶
第9题
对于气瓶,充装人员在充装前首先应进行(),合格后方可充装。
A.气瓶的检验情况
B.气瓶的颜色标志
C.充装前检查
D.附件是否齐全
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!