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题目内容
（井冈山大学英语2(专升本)）
The disease is spreading, and all children under 5 are ____.(本题3.5分)
A、 in risk
B、 at risk
C、 under risk
D、 of risk
A、 in risk
B、 at risk
C、 under risk
D、 of risk
参考答案