国家开放大学 / 商务英语2
—Why does food contamination seem to occur so frequently these days?
—
A. Because people do not realize the harmfulness of it.
B. Because contaminated food products are easy to produce and sell.
C. Because those food manufacturers only focus on making money.
—
A. Because people do not realize the harmfulness of it.
B. Because contaminated food products are easy to produce and sell.
C. Because those food manufacturers only focus on making money.
参考答案：
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