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【多选题】
“三个代表”重要思想的形成和发展经历了（ ）过程。A.
酝酿
B.
提出
C.
形成
D.
逐步深化
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举一反三
【单选题】It can be inferred from the passage that the sin tax is______.
A.
a tax levied to curb unhealthy consumption
B.
the most important source of revenue of British government
C.
a tax levied on the basis of personal income
D.
a tax borne by enterprises rather than consumers
【单选题】When a tax is levied on a good, the buyers and sellers of the good share the burden,
A.
provided the tax is levied on the sellers.
B.
provided the tax is levied on the buyers.
C.
provided a portion of the tax is levied on the buyers, with the remaining portion levied on the sellers.
D.
regardless of how the tax is levied.
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