问题补充：
The cousins are alike in age，but they are as different as day and night.
A. besides
B. anyhow
C. otherwise
D. moreover
答案：
A. besides
B. anyhow
(答案→)C. otherwise
D. moreover
解析：besides而且 anyhow无论如何 otherwise否则，要不然 moreover而且。As different as night and day是指两样完全不同的东西，就象黑暗的夜晚和明亮的白天一样的不同。故选C
