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举一反三
【单选题】The history of transportation is very long and full of changes and inventions. It starts 1 walking, which is not any invention; it just takes energy. People used to walk to get to other places. If...
A.
what
B.
when
C.
where
D.
which
【单选题】The gentleman ______ a cherub(小天使) with his letter.
A.
combined
B.
included
C.
kept
D.
enclosed
【多选题】天使投资与风险投资的关系是
A.
天使投资是广义上风险投资的一种。
B.
近年来，天使投资机构化的趋势明显，一些新的天使投资以机构的形式出现。
C.
以往通常在 A 轮起投的风险投资机构也开始向天使轮扩展。
D.
天使投资和风险投资的界限开始模糊。