文白异读是（）的特色。
A、潮汕话
B、客家话
C、广府话
D、壮侗语系
参考答案：A
0.35×2.73的积有______位小数，a×2.3的积是三位小数，那么a至少是______位小数．
If you ______ firm action to deal with it at once, you wouldn’t suffer heavy losses tomorrow.
A．take
B．took
C．has taken
D．had taken
