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问题
单项选择题
用于各种慢性剧痛()
A.镇痛新
B.纳洛芬
C.纳洛酮
D.纳曲酮
E.可待因
答案
参考答案:
A
选择题
— Why didn't you come to the party?
— I had meant _____, but something unexpected happened.
A. so
B. that
C. not
D. to
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填空题
一幅地图,图上8厘米表示实际距离80千米,这幅地图的比例尺是______.
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