Question

英语题 感谢啦 ~~~~

Let's get familiar ______ the digital camera first.
A to B about C of D with
A hose-pipe is used _____ a fire .
A to putting out B to put on C for putting on D for putting out

Answer 1

1. D
A get/be familiar with B A熟悉B
A be/get familiar to B A为B所熟悉（B熟悉A）

2. D
be used for doing sth = be used to do sth 被用于做某事，排除A；
put out 扑灭/熄灭，put on 穿上/增加，排除BC.

Answer 2

A be/get familiar to sth/sb 对。。。熟悉
D put out 扑灭（火） be used to do sth 用来做。。。
be used to doing sth 习惯于做。。 。
be used for doing sth 用来做。。。

Answer 3

AD