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【多选题】
办理危险货物运输业务的工作人员和装卸人员、押运人员,应当掌握( )。A.
危险货物的性质
B.
危害特性
C.
包装容器的使用特性
D.
发生意外的应急措施
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】His mother ______ the Party since 1978.
A.
joined
B.
has joined
C.
was in
D.
has been in
【单选题】His father ______ the Party since 1978 .
A.
has been in
B.
joined
C.
was in
D.
has joined
【单选题】The little town has grown into a modern big city since 1978 and is _____ what it used to be.
A.
more than twice as big as
B.
twice more than as big as
C.
more than twice big than
D.
twice more than big than
【单选题】His father ______ the Party since 1978 .
A.
joined
B.
has joined
C.
was in
D.
has been in
【简答题】Great changes ______ place in my hometown since 1978. a. have been taken b. had taken c. took d. have taken
【单选题】Since 1978, many new( )have been developed in our university to meet the increasing demands of the students.
A.
disciplines
B.
entrances
C.
checks
D.
flames
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