单项选择题

The amendments (of) the laws on patent, trademark and copyright (have enhanced) protection of (intellectual property) rights and (made them conform) to WTO rules.

A．of
B．have enhanced
C．intellectual property
D．made them conform
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单项选择题
Children are (among) the most frequent victims of violent, (drug-related) crimes (that) have nothing (doing with) the cost of acquiring the drugs.
A．among
B．drug-related
C．that
D．doing with
单项选择题
Retailers (offered) deep (discounts) and extra hours this weekend (in the bid) (to lure) shoppers.
A．offered
B．discounts
C．in the bid
D．to lure
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