问题
单项选择题
Russian women had to wear protective masks as they walked in Moscow, which was ______ by a heavy smog yesterday.
A．shrouded
B．unveiled
C．decayed
D．deprived
答案
参考答案：A
解析： 本题空格处是说覆盖着一层浓雾。shroud的意思是“覆盖，遮蔽”；unveil的意思是“显露，除去面纱”；decay的意思是“腐烂”；deprive的意思是“剥夺，使丧失”。只有A项符合题意。