专四专八考试

【单选题】We can conclude that ______.
A．civilization may be doomed if pollution is not controlled
B．pollution is more serious inEurope than it is inAmerica
C．most people do not know that pollution is a serious problem
D．black snow is not so serious compared with white snow

网考网参考答案：A
网考网解析：
[参考译文]我们可以做出结论______。 [试题分析]这是考查考生的综合理解能力。 [详细解答]全文讲述的是空气污染的严重性及其造成的影响，可以推知A为正确答案。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>