【名词&注释】
混合物(mixture)、化工产品(chemical products)、可利用(can use)
[单选题]下列关于石油的叙述不正确的是（ ）
A. 石油是一种化工产品
石油是一种混合物
可利用石油产品发电
将石油分馏可得到多种产品
查看答案&解析
举一反三：
[单选题]NatKingColesucceededbecause_____.
A. theladyhelpedhimalot
B. hecaughtthechance
C. hecontinuedtoplayinthebar
D. hestoppedplayingthepiano
[单选题]44．Let's_______ right now．
A. go to school
B. to go to school
C. to go school
D. go school
[单选题]23． Why did I feel worried suddenly?
A. I felt the bad tooth was still there．
B. There was cotton-wool in my mouth．
C. There was a hole in my tooth．
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