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1.which of the following statements is improper?
a.x is three times the size of y
b.x is twice bigger than y
c.y is one-third as big as x
d.the size of y is one-third x
2.there are many kinds of metals, ___ properties.
a.each having its special
b.having its special
c.each had its especial
d.each has its especial
3.___ cruel that nearly all the people around hated him
a.to such a degree was he
b.to such a degree he was
cto such degree had he been
d.to such degree he had been
4.if it ___ too much trouble, i'd love a cup of coffee.
a.hadn't been
b.isn't
c.weren't
d.may not be
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问题299155
价值：4