专升本考试

【单选题】The chemistry teacher asked the pupil ______.
A．what water composes of
B．what does water compose of
C．what is water composed of
D．what water is composed of
网考网参考答案：D
网考网解析：
首先我们要考虑从句不能用疑问句的形式，要用陈述语序，B和C错误，短语“由……组成”是be composed of，A也不对，D正确。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>