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【单选题】
下列哪一项不属于癌前疾病A.
粘膜白斑
B.
乳腺纤维腺瘤
C.
结肠腺瘤性息肉病
D.
慢性萎缩性胃炎
E.
结节性肝硬化
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举一反三
【单选题】Forests of pine and fie cover two thirds of this area.
A.
Forests of pine and fir is covered two thirds of this area.
B.
Two thirds of this area are covered by forests of pine and fir.
C.
Two thirds of this area is covered by forests of pine and fir.
D.
This area is covered two thirds of forests of pine and fir.
【简答题】“混合现实”的英文是()。
【单选题】In many countries more and more forests and even agricultural land are being lost to development, _______ much of the land to become desert.
A.
caused
B.
causing
C.
having caused
D.
to cause
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