I was impressed by the range of______ accessories of my microcomputer that were

游客2023-11-09  22

问题 I was impressed by the range of______ accessories of my microcomputer that were available.

选项 A、acceptable
B、compulsory
C、optional
D、random

答案 C

解析 形容词词义辨析题。空白前面有range“范围”,那么“附件”应该是在范围内“选用的”,optional“可选择的”符合题意,故C正确。acceptable“可接受的”;compulsory“必须做的,必修的,被强迫的”;random“任意的,随意的”。
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