【单选题】【消耗次数：1】
常用的光敏电子材料有硫化镉（CdS）、硒化镉（CdSe）和硫化铅 （PbS）等。
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
硫化氢属于（ ）
随机题目
【单选题】
Well, it’s getting late. I must be going. Thank you again for inviting me to the party.
①
Oh, it’s so late
②
Thank you for coming
③
Oh, so soon?
④
I really had a happy time
【单选题】
I won’t be able to attend the meeting tonight because _________ .
①
I must teach a class
②
I teach a class
③
I will be teaching a class
④
I will have been teaching a class
【单选题】
Excuse me, but can you tell me the way to the airport?
①
Don’t ask that
②
Sorry, I’m a stranger here
③
No, I can’t say that
④
No, you’re driving too fast
【单选题】
These two areas are similar __________ they both have a high rainfall during this season.
①
to that
②
besides that
③
in that
④
except that
【单选题】
Success results ___________ hard work, and hard work results in success.
①
from
②
in
③
by
④
with
【单选题】
David, there a dictionary and some books on your desk. Please put them away.
①
is
②
are
③
have
④
has
【单选题】
_________ is no reason for dismissing him.
①
Because he was a few minutes late
②
Owing to a few minutes being late
③
The fact that he was a few minutes late
④
Being a few minutes late
【单选题】
Police are __________ the disappearance of two children.
①
looking out
②
looking after
③
looking into
④
looking on
【单选题】
This article deals with the natural phenomenon which __________ most interesting to everyone.
①
are
②
is
③
they are
④
it is