题目内容
下面各句没有语病或歧义，表述准确的一项是（)。A．我党在幼年时期，我们对于马克思列宁主义的认识和下面各句没有语病或歧义，表述准确的一项是()。
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A．Be an attentive listener.B．Don't talk about yourselves.C．Be interested in yourselves
听力原文： When I first went to London as a student, I sat a lone during parties with my glass of wine. I hoped people would think that I was having great thoughts and that someone might come up to me and say "Excuse me, I hope you won't mind my coming up to you like this. I don't want to interrupt your thoughts. But really, you are the only interesting-looking person in the room. May I talk to you？ It never happened. Here is some ad vice if you would like to be a good conversationalist. Be an attentive listener. Encourage others to talk about themselves. To be interesting, be interested. Ask questions that other people will enjoy answering. Encourage them to talk about themselves and what they have done. Remember that the people you are talking to are a hundred times more interested in themselves and their problems than they are in you and your problems. A person's toothache means more to that person than a famine in Africa which kills a million people. A pain in one's arm interests one more than forty earthquakes in America. Think of that the next time you start a conversation. Diogenes, the Greek philosopher who is sup posed to have lived in a barrel, said, "The reason why we have two ears and only one mouth is so that we may listen more and talk less."
(30)
Which of the following can be inferred about the cultivated grass mentioned in the second
Legend has it that sometime toward the end of the Civil War(1861—1865)a government train carrying oxen traveling through the northern plains of eastern Wyoming was caught in a snowstorm and had to be abandoned. The driver returned the next spring to see what had become of his cargo. Instead of the skeletons he had expected to find, he saw his oxen, living, fat, and healthy. How had they survived？
The answer lay in a resource that unknowing Americans had trampled underfoot in their haste to cross the "Great American Desert" to reach lands that sometimes proved barren. In the eastern parts of the United States, the preferred grass for forage was a cultivated plant. It grew well with enough rain, then when cut and stored it would cure and become nourishing hay for winter feed. But in the dry grazing lands of the West, that familiar blue joint grass was often killed by drought. To raise cattle out there seemed risky or even hopeless.
Who could imagine a fairy-tale grass that required no rain and somehow made it possible for cattle to feed themselves all winter？ But the surprising western wild grasses did just that. They had wonderfully convenient features that made them superior to the cultivated eastern grasses. Variously known as buffalo grass, grama grass, or mesquite, not only were they immune to drought; but they were actually preserved by the lack of summer and autumn rains. They were not juicy like the cultivated eastern grasses, but had short, hard stems. And they did not be cured in a barn, but dried right where they grew on the ground. When they dried in this way, they remained naturally sweet and nourishing through the winter. Cattle left outdoors to fend for them selves thrived on this hay. And the cattle themselves helped plant the fresh grass year after year, for they trampled the natural seeds firmly into the soil to be watered by the melting snows of winter and the occasional rains of spring. The dry summer air cured them, much as storing in a ham cured the cultivated grasses.
What does the passage mainly discuss？
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