69. D【命题意图】考查推理判断。

　　【解题思路】由最后一段的内容可知，欧洲一些国家已经禁止使用杀虫剂，美国禁用杀虫剂的呼声也越来越高，因此可推知可能会有更多的国家禁用杀虫剂。

　　70. C【命题意图】考查主旨大意。

　　【解题思路】本文是一篇科普说明文，主要说的是最新研究发现蜜蜂蜂群近年数量下降，故选C。

　　社会生活类

　　When I stepped out the plane from Miami into Charlotte, North Carolina, airport for a connecting flight home, I immediately knew something was wrong. Lots of desperate people crowded the terminal. I quickly learned that flights headed to the Northeast were called off because of a storm. The earliest they could get us out of Charlotte was Tuesday. It was Friday. A gate agent stood on the counter and shouted, “Don’t ask us for help!We cannot help you! ”

　　I joined a crowd that ran from terminal to terminal in search of a flight out. Eventually, I found six strangers willing to rent a van with me. We drove through the night to Washington, where I took a train the rest of the way to Providence.

　　The real problem, of course, is that incidents like this happen every day, to everyone who flies, more and more often. It really gets to me, though, because for eight years I was on the other side, as a flight attendant for Trans-World Airlines (TWA).

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