Question

两道英语单选,顺便翻译一下,可不可以说一下是哪个考点

1.It is diffcult for us to learn a lesson in life ____we've actually had that lesson.
A.until
B.after
C.since
D.when

2.Most birds find it safe to sleep in the trees,but ___they have eggs or young chicks ,they don't use a nest.
A.why
B.how
C.unless
D.where

Answer 1

1.A 考点为until用法--until是个特殊介词,一般用于连接2个分句,{not A until B},A分句一般含否定式not或具有否定含义如difficult,hardly..--{直到B才能A}

翻译:在生活中,直到我们真遇到这一课,才能真正学会它包含的内容.

2.C 考点为unless 的含义--除非

翻译:大多数鸟类发现在树上睡很安全,但除非它们有了蛋或幼雏,它们不用树巢.

--逐字翻的还有讲解,要采纳啊---有不懂还可补充~~

Answer 2

1.A
2.C