In 1964, a severe earthquake occurred near Anchorage, Alaska. It was reported to

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问题 In 1964, a severe earthquake occurred near Anchorage, Alaska. It was reported to have reached a magnitude of 8.4______the Richter scale.

选项 A、on
B、at
C、in
D、of

答案 A

解析 1964年，阿拉斯加州的安克雷奇附近发生了一场大地震。据报道，这场地震达到了里氏8．4级。表示里氏…级的固定用法为…on the Richter scale。

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In1964,asevereearthquakeoccurrednearAnchorage,Alaska.Itwasreportedto