关于紫外线，下列说法中正确的是：[ ]
A．紫外线属于可见光
B．紫外线不具有光能
C．人体不能照射紫外线
D．医院常用紫外线照射的方法来灭菌消毒
答案：D
—We were surprised to hear that the reason________ she gave for her absence was________ her mother was ill.
—Yes，we saw her mother was at the supermarket that morning.
A．why；that
B．which；that
C．that；because
D．why；because
某企业于年初向银行借款1000万元，其年名义利率为12%，若按月复利计息，则该年第3季度末价款本利和与年有效利率分别为( )。
A．1093.7和12.68% B．1093.7和12.55%C．1092.7和12.68% D．1092.7和12.55%
