Question

A cat, ______ it is a white one ______ a black one, is considered to be a good cat as long as i...

A cat, ______ it is a white one ______ a black one, is considered to be a good cat as long as it can catch mice. A．both; and B．not only; but also C．either; or D．whether; or

Answer 1

D

试题分析：句意：一只猫不管是白猫还是黑猫，只要抓住了老鼠就是好猫。A……和……都B不仅……而且。C或者，或者D不管，还是，根据句意及结构，故选D。

Answer 2

他分别养了一只黑猫，一只白猫
a black and a white cat 是各一只猫
a black and white cat 一只黑白相间的猫
原题中a white cat 当然指一只白猫，单数