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二极管的击穿分为两种,可恢复的是 击穿,不可恢复的是 击穿
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举一反三
【单选题】After _____ the league, he often helps others. [ ]
A.
joining in
B.
joining
C.
joined
D.
joined in
【单选题】Thank you for _____________ CCTV’s Around The World show.
A.
join
B.
is joining
C.
to join
D.
joining
【多选题】Which are the roles for the UNICEF Ambassador of Goodwill?
A.
He makes public appearances and talks.
B.
He pays visits to troubled regions.
C.
He takes use of his political access to advocate UNICEF causes.
D.
He attracts attention from celebrities.
【简答题】社会保障制度产生和发展分几个阶段？各阶段的主要标志是什么？
【简答题】Why does UNICEF want to sell more cards? Because if can help _________.
【简答题】社会保障制度产生和发展分几个阶段?各阶段的主要标志是什么? prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【单选题】Thank you for _____ the school play. [ ]
A.
joining
B.
to join
C.
joins
D.
is joining
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