心脏骤停早期诊断最佳指标是（）
A.瞳孔突然明显散大
B.测不到血压
C.颈动脉和股动脉搏动消失
D.呼吸停止
E.面色苍白和口唇发绀
参考答案：C
In the exam, the _____ you are, _____ mistakes you'll make. [ ]
A. careful, little
B. more careful, less
C. careful, few
D. more careful, the fewer
小王是男孩子。()
