硬质合金含钨量多的（），含钴量多的强度高、韧性好。
A.硬度高
B.耐磨性好
C.工艺性好
D.制造简单
参考答案：A
You are growing so fast. Can you tell me _____ now?[ ]
A. how fast are you
B. how fast you are
C. how tall are you
D. how tall you are
珠江—西江经济带鼓励社会各界积极参与保护珠江—西江行动。
