题目

1 l the photographs in this book,________stated otherwise ,date from the 1950s
A unless B until Conce D if
为什么选A,求翻译加解释,
2.He tried his best to solve the problem ,______difficult it was
A however
B no matter
C whatever
D although
为什么选A,
3______________the police thought he was the most likely one,since they had no exact proof about it,theycould not arrest him
A AIthough
B AS long as
C if only
C AS soon as
为什么选A,求翻译加解释

提问时间：2020-11-10

答案

第一题,这本书里的照片,除了另作说明的,都是50年代的.除非=unless
第二题,不管有多难他都会努力尝试解决问题,difficult是程度多以要用how,B如果是 no matter how也就对了,这里A最合适
第三题,尽管警察觉得他有最大的嫌疑,但鉴于没有实际证据他们不能逮捕他.尽管=although