托福考试

【单选题】Neon, a chemical element---------up about one part per 65000 inEarth’s atmosphere, is a colourless, odourless gas.
A、makes
B． that makes
C．and makes
D． of which makes

网考网参考答案：B
网考网解析：
Neon, a chemical element......,is a colourless, odourless gas.空格处明显为a chemical element的修饰定语,使之充当同位语成分，选B. document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>