Petrol is manufactured from the________oil we take out of the ground.

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问题 Petrol is manufactured from the________oil we take out of the ground.

选项 A、rough
B、crude
C、raw
D、tough

答案B

解析 汽油是由地下开采的原油生产而来。A项rough “a. 粗糙的;不平整的”。B项crude “a. 粗糙的;简略的”,crude off为固定用法,即“原油”。C项raw “a. 生的”,与“熟的”对应,一般指食物。D项tough “a. 艰苦的,艰难的”。
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