题目内容：
Color-blind people often find it difficult to ______ between blue and green. A. separate B. compare C. contrast D. distinguish参考答案：
选择题：Color-blind people often find it difficult to ____
- 题目分类：西安交通大学--英语三
- 题目类型：选择题
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My train arrives in New York at eight o’clock toni
My train arrives in New York at eight o’clock tonight. The plane I would like to
格雷码是一种可以发现一位单错的可靠性编码。（ ）
格雷码是一种可以发现一位单错的可靠性编码。（ ）
E-mail as well as telephones ____ more and more po
E-mail as well as telephones ____ more and more popular in daily communication.
3删除只能使用Delete键。（）A、正确 B、错误
3删除只能使用Delete键。（）A、正确 B、错误
.wave是位图文件格式。（）A、正确 B、错误
.wave是位图文件格式。（）A、正确 B、错误