【判断题】【消耗次数：1】
儿童、青少年尤应补充的维生素是维生素A。
①
正确
②
错误
参考答案：
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相关题目
【单选题】
有关维生素A的叙述错误的是（）
①
.维生素A缺乏可引起夜盲症
②
维生素A是水溶性维生素
③
维生素A可由β-胡萝卜素转变而来
④
维生素A有两种形式，即A1和A2
⑤
维生素A参与视紫红质的形成
随机题目
【单选题】
Did you get a dictionary?No. I________,but there were not any________.
①
tried;to be left;
②
had tried to;leaving
③
tried to;left
④
had tried;have left
【单选题】
Look,someone is coming. Guess who it_________be?I think it______be Tom.I dont think it______be_______.
①
must;can;must;his
②
may;can;must;him
③
can;must;can;him
④
might;must;can;himself
【单选题】
I will take my daughter with me when I_______ Shanghai.
①
go to
②
will go to
③
have been to
④
have gone to
【单选题】
It was getting dark. I found a car________in a pool by the side of the road.
①
to be stuck
②
stuck
③
sticking
④
stick
【单选题】
This bright girl______ the truth in front of the enemy.
①
didn’t say
②
couldn’t speak to
③
said
④
didn’t tell
【单选题】
________the front door________,he had to enter the room through the back door.
①
Seen;painted
②
Seeing;painted
③
Being seen;being painted
④
Seeing;being painted
【单选题】
This book is_____that one. But______than that one.
①
as difficult as ;expensive
②
as more difficult as ; more expensive
③
as difficult as ; more expensive
④
more difficult as ; as expensive
【单选题】
It was his fault,but he put the blame on others—thats _______ we cant agree.
①
where
②
what
③
how
④
which