中国农业银行金穗贷记卡开卡激活有如下几种方式（）。
A.拨打客服热线自助语音激活
B.网站激活
C.柜台激活
D.短信激活
参考答案：A, C
Since he joined the swimming team, he has _____ to swim across the wide river. [ ]
A. able
B. could
C. can
D. been able
下列颜色变化不是因化学反应引起的是[ ]
A．湿润的淀粉KI试纸遇氯气变蓝
B．鸡蛋白遇浓HNO3呈黄色
C．蔗糖遇浓H2SO4变黑
D．在普通玻璃导管口点燃纯净的H2时，火焰呈黄色
