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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Mother Nature Shows Her Strength Tornadoes (龙卷风)．and heavy thunderstorms moved across the Great Lakes and into Trumbull County on Saturday evening．The storms were dramatic and dangerous.George Snyder ...
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】木栓化细胞壁
A.
加苏丹Ⅲ试液显红色
B.
10％的1一萘酚乙醇液再加浓硫酸显紫红色并很快溶解
C.
间苯三酚试液再加盐酸显红色
D.
加硫酸无变化
E.
加碘试液显棕色或黄棕色