【单选题】【消耗次数：1】
维生素B1又称为 ( )。
①
核黄素
②
生物素
③
硫胺素
④
钴胺素
参考答案：
复制
纠错
相关题目
随机题目
【单选题】
Happiness doesn’t necessarily ______ money.
①
go for
②
go through
③
go back
④
go with
【单选题】
Modern machinery _______ been installed in this newly-built factory.
①
has
②
have
③
is
④
are
【单选题】
After failing the exams three times, Jack realized that he’d never ____in English.
①
see to it
②
attain it
③
catch it
④
make it
【单选题】
Before the final examination, some students have shown _______ of tension. They even have trouble in sleeping.
①
anxiety
②
marks
③
remarks
④
signs
【单选题】
Wow! This is a marvelous room! I’ve never known you’re so artistic._________
①
Great, I am very art-conscious.
②
Don’t mention it.
③
Thanks for your compliments.
④
It’s fine.
【单选题】
Sorry, I can’t find the books you asked for.____________
①
Don’t mention it.
②
It’s your fault.
③
Thanks anyway.
④
I won’t forgive you.
【单选题】
The atmosphere _______ certain gases mixed together in definite proportions.
①
composes of
②
is made up
③
consists of
④
makes up of
【单选题】
Do you mind my smoking here?___________
①
No, thanks.
②
Yes, I do.
③
Yes, I’d rather not.
④
Good idea.
【单选题】
Every time when I go back to my hometown, I usually spend two days ____ of my relatives.
①
going the rounds of
②
rounding up
③
making the rounds of
④
rounding on
【单选题】
he children （） many times not to play with fire.
①
told
②
have told
③
have been told
④
are being told