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【判断题】
色素植物资源是指植物体内含有丰富的天然色素,可以提取用于各种食品、饮料的添加剂以及用作染料的一些植物。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】give proper response
A.
About 20 hours.
B.
So long.
C.
Very fast
D.
I usually go home by air.
【单选题】give proper response
A.
Sorry, I can’t help you.
B.
It’s very interesting.
C.
Yes, I have.
D.
You can’t ask me that.
【单选题】give proper response
A.
I don't want to go with you.
B.
I'm not sure.
C.
Thank you very much
D.
That's a good idea.
【单选题】give proper response
A.
It's very interesting.
B.
Your're wrong.
C.
I have seen it.
D.
I don't know.
【单选题】give proper response
A.
Not at all.
B.
Thank you.
C.
My pleasure.
D.
I don't think so.
【单选题】give proper response
A.
Quite well.
B.
I often do my work.
C.
Yes, they are.
D.
I don't want to tell you.
【单选题】I take photos of people and nature. I am a _____
A.
Waiter
B.
Journalist
C.
Photographer
D.
Repairer
【简答题】一般固体金属( )(填失去或得到)电子,发生( )极反应。
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