問題詳情

14. When visibility is reduced to about 4 miles, we say that visibility is __________ .
(A) very good
(B) good
(C) poor
(D) moderate

參考答案

答案：D
難度：適中0.45
書單：沒有書單，新增

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【龍狗】評論

0Dense fog50 yards1Thick fog300 yards2Fog600 yards3Moderate fog½ mile4Mist or thin fog1 mile5Poor visibility2 miles6Moderate visibility5 miles7Good visibility10 miles8Very good visibility30 miles9Exceptional visibilityover 30 miles