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【單選題】
甲醛、乙酸和2-羥基丙醛組成的混合物中0元素的質量分數(shù)為37%，則其中H元素的質量分數(shù)為
A.
9%
B.
12%
C.
16%
D.
20%
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舉報參考答案：
舉一反三
【單選題】As is mentioned in the passage, there is a small charge for ______.
A.
attending the s’ class
B.
working with local artists
C.
learning life drawing
D.
seeing an exhibition
【單選題】In ______ Chinese culture，the color red always represents happiness and good luck.
A.
historic
B.
traditional
C.
remote
D.
classic
【單選題】What happened when the dog heard “Pepe” the second time?
A.
He ignored it.
B.
He sat down.
C.
He lay on the couch.
D.
He came close to Cary.
【單選題】“Slentate’’ is ______.
A.
Spanish for “come here”
B.
Spanish for “sit down”
C.
a dog’s name in Spanish
D.
a way of saying “hello” in Spanish
【單選題】What did Cary try to do to make the dog respond to her at first?
A.
Train him in English.
B.
Try to find his real name.
C.
Sit with the dog and play with him.
D.
Take pictures of him.
相關題目：
【單選題】As is mentioned in the passage, there is a small charge for ______.
A.
attending the s’ class
B.
working with local artists
C.
learning life drawing
D.
seeing an exhibition
【單選題】In ______ Chinese culture，the color red always represents happiness and good luck.
A.
historic
B.
traditional
C.
remote
D.
classic
【單選題】What happened when the dog heard “Pepe” the second time?
A.
He ignored it.
B.
He sat down.
C.
He lay on the couch.
D.
He came close to Cary.
【單選題】“Slentate’’ is ______.
A.
Spanish for “come here”
B.
Spanish for “sit down”
C.
a dog’s name in Spanish
D.
a way of saying “hello” in Spanish
【單選題】What did Cary try to do to make the dog respond to her at first?
A.
Train him in English.
B.
Try to find his real name.
C.
Sit with the dog and play with him.
D.
Take pictures of him.
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