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、crude
B、raw
C、rough
D、tough

答案A

解析此题考查近义词的辨别，crude：天然的、未加工的、粗制的，强调的是处于天然状态；raw：未加工的、处于自然状态的，强调的是缺少技巧的；rough：粗糙的、粗野的；tough：粗暴的、艰苦的。因此，正确答案是A。

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专业英语四级

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