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【单选题】
畜禽肉主要提供的维生素种类是()。
A.
B族维生素
B.
维生素C
C.
维生素K
D.
维生素D
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参考答案:
举一反三
【判断题】两个向量的数量积的结果是一个数。
A.
正确
B.
错误
【单选题】向量的数量积结果是一个()
A.
向量
B.
数量
【简答题】完形填空。 Dear Dave, I'm now studying at Wuhu Middle School. But I'm not 1 . There are too many 2 in my house. It isn't fair. I have to 3 at five o'clock every morning. I can't 4 late for school. I have t...
【简答题】Merry Market is 1 big supermarket.It’s very near my home.There  2 many things.There are  3 many peopMerry Market is 1 ____big supermarket.It’s very near my home.There 2 ____many things.There are 3 ___...
【单选题】Which of the following is NOT a correct statement?
A.
There are too many pages or hyperlinks on the Internet, so people usually use search engine to find a certain site.
B.
More than 8 search engines are accused of selling their search engine spots by commercial Alert.
C.
The headquarters of Commercial Alert is in Portland Oregon.
D.
The search engines are Web guides.
【单选题】Which of the following is NOT a correct statement?
A.
There are too many pages or hyperlinks on the Internet, so people usually use search engine to find a certain site.
B.
More than 8 search engines are accused of selling their search engine spots by Commercial Alert.
C.
The headquarters of Commercial Alert is in Portland Oregon.
D.
The search engines are Web guides.
【单选题】向量的向量积结果是一个()
A.
数量
B.
向量
【简答题】There are too many cars in/on the road.
【判断题】自然式种植时,选择品种规格不同的植物。
A.
正确
B.
错误
【单选题】CH 3- CO - OC 2 H 5 属于下列哪一类化合物?()
A.
B.
C.
D.
E.
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