河南成教 / 大学英语（III）
正确率：100%
4[单选题]
<span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 12pt">Last year, the crime rate in <?xml:namespace prefix="st1"?><st1:place w:st="on">Chicago</st1:place> has sharply ________.</span>
A.declined
B.lessened
C.descended
D.slipped
<span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 12pt">Last year, the crime rate in <?xml:namespace prefix="st1"?><st1:place w:st="on">Chicago</st1:place> has sharply ________.</span>
参考答案：