The U.S. faces severe economic problems.
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The U.S. faces severe economic problems.
A:slight B:several C:successive D:serious
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答案：D
美国面临严峻的经济问题。serious“严重的”，如：If the injury is serious, you need to go to a doctor immediately．如果伤情严重，你得立刻去看医生。slight“轻微的”，如： a slight headache轻微的头疼。several“几个，数个”，例如：I have several things to do on weekend．我周末有好几件事情要做。successive“连续不断的”，例如：successive victories一个接一个的胜利。只有serious意思上和severe最接近。