Every time I take a test, I carry my lucky coin.

每次考试，我都带着我的幸运硬币。

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The " bite test " was to check if the coin was gold.

“咬测试”是检查硬币是否是黄金。

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The test coin "means they're getting ready. I think it's a good sign that we understand how interdependent we are."

这样板硬币“意味着他们现在正在做准备，我认为这是一个好兆头表明我们明白我们彼此是何等地相互依存。”

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There is no substitute of course for electing a challenging curriculum (the most advanced courses for which you qualify), maintaining excellent grades and owning superior standardized test scores, these are the coin of the realm.

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But for other men, the ability of the PSA test to detect prostate cancer is slightly better than the flip of a coin.

WSJ: Are PSA Tests a Good Idea for Screening Men for Prostate Cancer?

In his first Test as captain with Ricky Ponting out injured, Clarke arrived early for the coin toss, and looked a little nervous.

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