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【单选题】
承担第三类压力容器检验的人员是(),且应具有从事压力容器技术工作两年,安全技术工作一年以上的实际经验。A.
维修工
B.
技术员
C.
技师
D.
操作工
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举一反三
【单选题】On the one hand,we should make efforts to improve the economy;on the other hand,we must keep a balance between_development and environmental protection
A.
economical
B.
economic
C.
economy
D.
dynamic
E.
单选题
F.
Some successful people managed to gain_and fortune even though they dropped out of school.
G.
/词汇练习
H.
中
【单选题】On the one hand, we should make efforts to improve the economy; on the other hand, we must keep a balance between_development and environmental protection
A.
economical
B.
economic
C.
economy
D.
dynamic
【单选题】On the one hand,we should make efforts to improve the economy;on the other hand,we must keep a balance between______development and environment protection.
A.
employ
B.
continue
C.
famous
D.
economic
【简答题】On the one hand, we should make efforts to improve the economy; on the other hand, we must keep a balance between ________ development and environmental protection.
【单选题】On the one hand, we should make efforts to improve the economy; on the other hand, we must keep a balance between _______ development and environmental protection.
A.
economic
B.
economics
C.
economical
D.
economies
【单选题】On the one hand, we should make efforts to improve the economy; on the other hand, we must keep balance between development and environmental protection.
A.
economy
B.
economic
C.
economical
D.
economist
【单选题】On the one hand, we should make efforts to improve economy; on the other hand, we must keep a balance between ______ development and environmental development.
A.
economy
B.
economic
C.
economical
D.
economies
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