職稱(chēng)英語(yǔ)綜合類(lèi)單項(xiàng)選擇題每日一練(2019.01.08)

來(lái)源：考試資料網(wǎng)

1 The original experiment cannot be exactly duplicated.

2 All of the following factors relating to cancer risk were mentioned in the EXCEPT________.

3 Which of the following statements is true according to the passage?

4 61.(單項(xiàng)選擇題)

5 64.(單項(xiàng)選擇題)

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