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【单选题】
熔化极气体保护焊的短路过渡主要用于焊接( )焊缝。A.
厚板
B.
碳钢及低合金钢
C.
薄板及厚板封底
D.
角对接
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举一反三
【单选题】I had hoped that I ______ the lecture on American Romanticism.
A.
attend
B.
attending
C.
could attend
D.
can attend
【单选题】I had hoped to get to the meeting, but I found at the last minute that I couldn't ______ it.
A.
meet
B.
make
C.
try
D.
get
【单选题】I______to catch the 2:00 plane, but no such luck.
A.
have hoped
B.
hope
C.
hoped
D.
had hoped
【单选题】I had hoped to get to the meeting, but I found at the last minute that I couldn’t ________ it.
A.
try
B.
meet
C.
get
D.
make
【单选题】I _____ my son ____ a doctor,but he wasn’t good enough at science.
A.
hoped; would become
B.
had hoped ; would become
C.
had hoped ;will become
D.
hope; will become
【多选题】我国政治体制改革的基本原则包括（）
A.
坚持社会主义政治制度的特点和优势
B.
全面落实依法治国基本方略
C.
坚持党总揽全局、协调各方的领导核心作用
D.
坚持国家一切权力属于人民
【多选题】我国政治体制改革的基本原则包括
A.
坚持党总揽全局、协调各方的领导核心作用
B.
坚持国家一切权力属于人民
C.
全面落实依法治国基本方略
D.
坚持社会主义政治制度的特点和优势
【单选题】I had hoped to see her off at the station, but I _____ too busy.
A.
was
B.
had been
C.
would be
D.
would have been
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