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问题 选择题

下列关于流水作用对地貌形态的影响的正确叙述是[     ]

A．在上游山区，河流以侧蚀作用为主，常形成“V”形谷

B．在中下游平原地区，河流向下侵蚀强烈，常形成峡谷

C．山区河流出口处，由于搬运作用常形成冲积扇

D．黄土高原千沟万壑的地表形态是流水侵蚀作用的结果

答案

答案：D

单项选择题

B

Uncle Li and Uncle Wang are good friends. They live next to each other and their farms are both at the foot of the mountain. So they can help each other. But neither of them likes to use his head. They’re both poor though they work hard. Most villagers have built new houses, but they still live in the low and broken houses. They never find out why.

Once Uncle Li went to the town to buy some medicine for his wife. In the town he heard the apples in a city were expensive. He told Uncle Wang about it as soon as he went back. They decided to carry some apples to the city. They borrowed some money from their friends and bought nearly 1000 kilograms of apples in the villages and carried them to the city on a tractor. Bad luck! A lot of apples has already been carried there when they arrived. A few days later they had to sell them at a low price. They felt unhappy and returned to their village.

"I can’t understand why we sustained (蒙受) losses in business while others always profit (赢利)" Uncle Li asked one day.

"The tractor was too small " Uncle Wang said without thinking. "We’ll carry more apples on a truck next time !"

"I agree!" said Uncle Li. "How foolish we were!\

Uncle Li and Uncle Wang were unhappy because（）.

A．they had sustained lasses in business

B．they had lost some money in the city

C．something was wrong with the tractor

D．other people profited in the city
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单项选择题

泰山的南天门又叫三天门，创建于元代，至今已有六百余年， ______，为“门劈九霄仰步三天胜迹，阶崇万级俯临千嶂奇观”。填入划横线部分最恰当的一项是：

A．门外西侧有元代石刻“天门铭”。门两旁有石刻对联一副

B．门外西侧有元代石刻“天门铭”。一副石刻对联在门两旁

C．元代石刻“天门铭”在门外西侧。门两旁有石刻对联一副

D．元代石刻“天门铭”在门外西侧。一副石刻对联在门的两旁
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