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37. What can be inferred about taking painkillers from Paragraph 2?

• A、It leads to addiction in a short period of time.

• B、It builds up the tolerance to pain.

• C、 It becomes less effective over time. 

• D、 It cures stomach and liver diseases slowly.

I . Phonetics( 5 points)

Directions:In each of the following groups of words, there are four underlined letters or letter combinations marked A, B, C and D. Compare the underlined parts and identify the one that is different from the others in pronunciation. Mark your answer by blackening the corresponding letter on the Answer Sheet.

1.( )

• A、cake

• B、gas

• C、bag

• D、tax

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