考博考试

【单选题】By comparison, the author considers that ______.
A．a more advanced civilization will destroy us if they visit us at present
B．the original inhabitants ofAmerica were better off because ofColumbus' visit
C．being visited by a more advanced civilization will do us good
D．we wouldn' t be better off even though we were visited by the beings from outer space at present
网考网参考答案：A
网考网解析：
文章最后一句话的意思是：在现阶段遭遇外星人可能会有点像美洲人遭遇哥伦布，我认为哥伦布的到来并没有给美洲居民带来好结果。言外之意就是这时候遭遇外星人可能会给我们带来灾难。所以选A。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>