选择网上银行对账方式的，一张网上银行对账单可以对（）账户进行对账。
A、一个
B、二个
C、三个
D、多个
参考答案：D
As a laid-off worker, it is hard for her father to ______ the family, let alone send his children to key
schools. [ ]
A. bring up
B. raise
C. support
D. supply
已知：（1）Zn(s)＋1/2O2(g)＝ZnO(s)；△H＝－348.3 kJ/mol；
（2）2Ag(s)＋1/2O2(g)＝Ag2O(s)；△H＝－31.0 kJ/mol。则Zn(s)＋Ag2O(s)＝ZnO(s)＋2Ag(s)的△H等于
A．－317.3 kJ/mol
B．－379.3 kJ/mol
C．－332.8 kJ/mol
D．317.3 kJ/mol
