【单选题】【消耗次数：1】
下列维生素可作为视蛋白的辅基的是
①
维生素B<sub>2</sub>；
②
维生素A；
③
维生素E；
④
维生素K；
⑤
硫辛酸
参考答案：
复制
纠错
相关题目
【单选题】
下列维生素中含金属元素的是
①
维生素B<sub>1</sub>；
②
维生素B<sub>12</sub>；
③
泛酸；
④
维生素B<sub>6</sub>；
⑤
叶酸
随机题目
【单选题】
This is a _____ moment for our research. We should be careful.
①
critical
②
belt
③
conscience
④
copper
【单选题】
They have considered their high standard of living a(n) _____for practicing their basic beliefs.
①
award
②
reward
③
result
④
consequences
【单选题】
_____the factors already referred to, people sometimes feel insecure beause their motives are misunderstood by others.
①
Bur for
②
Except for
③
Apart from
④
Except that
【单选题】
My cousin Nancy is often in a poisonous mood; I suppose it’s because she is _____child.
①
one
②
a lone
③
a single
④
an only
【单选题】
This house will probably come on the _____next month.
①
fair
②
market
③
shop
④
store
【单选题】
The sight of the fruit salad made our daughter Kit’s mouth _____.
①
wet
②
water
③
soak
④
taste
【单选题】
The old lady _____and fell from the top of the stairs to the bottom.
①
slided
②
slipped
③
split
④
spilled
【单选题】
She put an extra blanket over the baby for fear that _____.
①
he catches cold
②
he should catch cold
③
he caught cold
④
he be catching cold
【单选题】
_____ that it was going to rain, he took a raincoat with him.
①
Seeing
②
Saw
③
Seen
④
To see