下列结论中,不正确的有( ▲ )①反比例函数y=的函数值y随x的增大而减小;②任意三点确定一个圆;③圆既是轴对称图形又是中心对称图形;④二次函数y=x2-2x-3(x≥1)的函数值y随x的增大而减小;⑤平分弦的直径垂直于弦;⑥相等的圆周角所对的弧相等.A.2个B.3个C.4个D.5个 答案:D解析:p;【解析】略
They felt________in the desert________they had never felt before.
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A. such hot … as B. such a heat … as
C. such heat … as D. so hot … as