单选题 Why did the speaker suddenly feel frightened?

A、 He found himself on the edge of high rock.
B、 He found his cattle scattering in all directions.
C、 His horse did not dare to jump across the river.
D、 He found himself hanging over a steep cliff.

【正确答案】 A

【答案解析】解析：因果关系的找寻和判断。根据原文Suddenly，I experienced a moment that terrified me．I was on a narrow edge of rock on one of the highest points of the ranch可知，我突然经历了可怕的瞬间，我已经到了牧场最高处一块岩石的边沿上。由此可判断A项内容为说者感到害怕的原因，因此该项为正确答案。

单选题 Which of the following is true according to what you've just heard?

A、 His horse flew over the treetops below.
B、 His horse nearly fell into the deep valley.
C、 His horse raced across the valley easily.
D、 His horse refused to carry him over the hilltop.

【正确答案】 B

【答案解析】解析：语义的理解和判断。根据原文I made him jump to a steep slope below．He skidded in the winter mud to the edge of the slope and hung for an instant，balanced dangerously，half falling into the deep valley hundreds of feet below．Miraculously，he got his footing again可知，说者策马向下面的陡坡跳，马在坡边的冬泥里打滑，坚持了片刻，勉强保持平衡，向下面几百英尺深的峡谷落去，奇迹发生了，它站住了。由此可见，B项说法与原文相符，该项是正确答案。

单选题 What did the speaker do when he was on safe grounds?

A、 He screamed with fright.
B、 He began to chase the cows again.
C、 He rode fast to see his father.
D、 He got off and sat down trembling.

【正确答案】 D

【答案解析】解析：事实细节的找寻和判断。根据原文Shaking with fright，I got off him and sat down in the wet grass，trembling…可知，说者从马背上下来，坐在湿草丛中发抖。由此可见，D项说法与原文相符，该项是正确答案。

单选题 Which of the following statements is true of what you've heard?

A、 The speaker's father set out to round up their cattle.
B、 The speaker did not dare to chase the cow there any more.
C、 The speaker's horse died in three days.
D、 The cow was found dead down the valley days later.

【正确答案】 B

【答案解析】解析：推理判断题。根据原文“Somebody else is going to have to get that cow，”I said to my father，“I'm not going up there again．”可知，说者让他父亲另外找人去那里找牛，而他是再也不去了。由此可推断B“他再也不敢去那里追牛了”与原文含义相符，因此该项为正确答案。

单选题 The best title for the passage would be ______.

A、 The Story of a Cowboy
B、 The Story of My Horse
C、 A Moment of Great Fear
D、 My Early Childhood

【正确答案】 C

【答案解析】解析：主旨题。说者在提出自己喜欢骑马追赶牛群后，提出了遇到的一次可怕经历，其余篇幅详细描述了整个事件的过程。由此可见，B项概括了原文主要内容，因此该项为正确答案。