例:I was addressing a small gathering in a suburban Virginia living room - a women's group that had invited men to join them. Throughout the evening, one man had been particularly talkative, frequently offering ideas and anecdotes, while his wife sat silently beside him on the couch. Toward the end of the evening, I commented that women frequently complain that their husbands don't talk to them. This man quickly nodded in agreement. He gestured toward his wife and said, "She's the talker in our family." The room burst into laughter; the man looked puzzled and hurt. "It's true," he explained. "When I come home from work I have nothing to say. If she didn't keep the conversation going, we'd spend the whole evening in silence."
This episode crystallizes the irony that although American men tend to talk more than women in public situations, they often talk less at home. And this pattern is wreaking havoc with marriage.… [2010, Text2(二)]
29. Which of the following can best summarize the main idea of this text?
A. The moral decaying deserves more research by sociologists
B. Marriage break-up stems from sex inequalities
C. Husband and wife have different expectations from their marriage
D. Conversational patterns between man and wife are different
例:Americans don't like to lose wars. Of course, a lot depends on how you define just what a war is. There are shooting wars-the kind that test patriotism and courage-and those are the kind at which the U.S. excels. But other struggles test those qualities too…
Now there is a similar challenge: global warming. The steady deterioration (惡化) of the very climate of this very planet is becoming a war of the first order, and by any measure, the U.S. is losing. Indeed, if America is fighting at all, it's fighting on the wrong side…
The rub is, if the vast majority of people increasingly agree that climate change is a global emergency, there's far less agreement on how to fix it. Industry offers its plans, which too often would fix little…
Halting climate change will be far harder. One of the more conservative plans for addressing the problem calls for a reduction of 25 billion tons of carbon emissions over the next 52 year…[2009,Text4]
56. What does the passage mainly discuss?
A. Human wars. B. Economic crisis.
C. America's environmental policies. D. Global environment in general.