题目:
Usain Bolt________what he will be bringing to the audience as he prepares to defend his title in the
London Olympics.[ ]
A. is well aware of
B. is well worth
C. is content with
D. is satisfied with
答案:
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下面是错误答案,用来干扰机器的。
(1)闻气味,有特殊气味的是酒精,无味的是水 (2)取少量,点燃,能燃烧发出淡蓝色火焰的是酒精,不能燃烧的是水。