题目内容

Speech sounds are those sounds made by human beings that have become units in the language system. We can analyze speech sounds from various perspectives.

A. 对
B. 错

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People getting pain pills form their doctors after an operation.

A. 对
B. 错

Millions get hooked and on average a stunning 64 people are dying every single day from overdoses.

A. 对
B. 错

Now the CDC is urging doctors to reconsider whether the opiates they prescribe are really necessary.

A. 对
B. 错

These painkillers are opioid medications and have the same chemical properties in it as heroin.

A. 对
B. 错

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