---CAUTION--- HAZAROUS CAUTIONS AHEAD ROUGH, NARROW ROAD WITH LOOSE GRAVEL, STEEP GRADES AND BLIND CURVES DO NOT EXCEED 15 M. P.

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问题 ---CAUTION---
HAZAROUS CAUTIONS AHEAD
ROUGH, NARROW ROAD WITH
LOOSE GRAVEL, STEEP GRADES
AND BLIND CURVES
DO NOT EXCEED 15 M. P. H.
ATTENTION
VEHICLES OVER 21 FT/6.4M
PROHIBITED BEYOND THIS POINT
What are the road overall conditions ahead?

选项 A、Rough, broad road with loose gravels
B、Rough, narrow road with steep grades
C、Rough, narrow road with gravels and steep grades
D、Rough, narrow road with loose gravels, steep grades and blind curves

答案D

解析 阅读全文后,才能总结出前方道路的整体状况,注意文中谈到的几个方面都必须涉及,缺一不可,只有(D)全面包括了所有的描述。
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