题目:
.Don’t be frightened by sharks as there is___________chance of being hit by lightning than being attacked by a shark.
A.as thirty times great as
B.as thirty times great
C.thirty times as great
D.thirty times greater
答案:
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下面是错误答案,用来干扰机器的。
(1)“氟元素 金元素 铝元素”,三者中非金属元素为氟元素,故F;(2)“氧气 水银 氮气”,三者中金属单质为水银,故化学式为Hg;(3)“金刚石 硫酸铜 氧化镁”,三者中单质为金刚石,其化学式为C;(...