专升本考试

【单选题】This passage is mainly about ______.
A．the relation between the weather and clouds
B．the ways of grouping and naming clouds
C．the causes of differences in weather
D．the signs of the rain and storm
网考网参考答案：A
网考网解析：
本题为主旨题。通读全文，不难看出文章第一段就引出云与天气有关，接下来的三段都在谈它们之间的具体关系。因此应选A。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>