单选题 Niagara is an Indian word which means "roaring water". Indeed, the roar of the falling water of Niagara can be heard (1) a distance of 5 kms. Imagine (2) of water flowing over a cliff 90 feet high and you will get an idea of that terrible noise. And (3) tremendous power the Niagara River has! It moves big rocks about and throws them into the boiling water below. (4) ago an old ship without single person on board was put in mid-stream. It sailed down the river (5) a toy boat with great speed. Having reached the fall, the ship dropped into the boiling water, never (6) again. There were some people who wanted to become famous (7) swimming across the most dangerous part of the Niagara River. One of them was Captain Webb who said that he would try to swim cross the Niagara, which (8) crowds of people. On the evening of July 1st, 1893, Captain Webb came up to the river and (9) a plunge. His having jumped into the water (10) many people with horror. Soon, he appeared in the middle of the river. A loud shout went up from the crowd, but a moment later there was (11) silence. The man had disappeared under the water. Thousands of eyes (12) on the river, but the man was drowned. In 1902, a certain Miss Taylor decided to go over the falls in a barrel. There were different kinds of pillows inside the barrel to prevent her from (13) . Having examined the barrel carefully, Miss Taylor got in. The barrel was closed and then (14) into the water. Having reached the falls, it overturned and was shot down by the terrible (15) of the water. When the barrel was finally caught and opened, Miss Taylor came out alive (16) with a frightened look in her eyes. Once a crowd of visitors saw a rope (17) over from one bank of the river to the other. Then they saw a man (18) the rope. The man was an actor, Blondin (19) . He managed to cross Niagara Falls on a tight rope. The people on the bank were surprised at his (20) it so well.

单选题 A. within B. inside C. at D. on
【正确答案】 A
【答案解析】within a distance of 5 kms是固定用法，意思是“在方圆5公里的范围内”。
单选题 A. much B. a great number C. mass D. a mass
【正确答案】 D
【答案解析】mass表示整体概念，意思是“团，块，堆”。与物质名词连用时习惯表达形式为a mass of 。
单选题 A. how much B. what C. so D. how
【正确答案】 B
【答案解析】感叹句的两种表达法是：What(+a/an+形容词)+名词+主语 +动词；How+形容词(或副词)+主语+动词。
单选题 A. Sometimes B. Many times C. Much time D. Some time
【正确答案】 D
【答案解析】sometimes有时；many times很多次；much time很多时间；some time一段时间。
单选题 A. as B. as if C. like D. likely
【正确答案】 C
【答案解析】like是介词，意思是“像，和……一样”。as表示“像，和……一样”的意思时要用在as…as结构中。
单选题 A. to appear B. appearing C. appeared D. appear
【正确答案】 A
【答案解析】never或only后使用动词不定式表示结果状语，指意想不到的或出乎意料的结果。
单选题 A. for B. by C. through D. from
【正确答案】 B
【答案解析】by doing sth是指通过做某事而达到目的。
单选题 A. attracted B. drew C. caused D. pulled
【正确答案】 B
【答案解析】本题属词义辨析。attract吸引；draw吸，吸收，吸引；cause引起； pull吸引，招徕。
单选题 A. gave B. made C. did D. took
【正确答案】 D
【答案解析】take a plunge是固定搭配，“跳入水中”。还要记住短语take the plunge，意思是“采取断然行动，大胆尝试”。
单选题 A. filling B. full of C. filled D. was filled
【正确答案】 C
【答案解析】从语法上判断，本空格处应填入一个谓语动词，many people是其宾语，所以应用主动语态形式filled。
单选题 A. dead B. dying C. died D. death
【正确答案】 A
【答案解析】dead silence意思是“死一般的寂静”。
单选题 A. being stopped B. were fixing C. were fixed D. fixed
【正确答案】 C
【答案解析】空格后的介词on决定正确选项为were fixed。fix one's eyes on意思是“盯着……看”。
单选题 A. being hurt B. having hurt C. hurting D. hurt
【正确答案】 A
【答案解析】prevent sb (from) doing sth是固定用法，sb应该是doing的动作发出者；如果是动作承受者，doing就要用被动形式。
单选题 A. being throw B. throwing C. thrown D. threw
【正确答案】 C
【答案解析】and引导的was closed和空格处的词是并列谓语，故应选C。
单选题 A. power B. strength C. force D. capacity
【正确答案】 C
【答案解析】power指抽象的力量；strength指体能方面的力量；force指力量，影响力；capacity意思是“容量，能力”。
单选题 A. therefore B. however C. so D. but
【正确答案】 D
【答案解析】but此处为转折连词。Miss Taylor从桶里活着出来，双眼却充满了恐惧。
单选题 A. being put B. put C. having put D. putting
【正确答案】 A
【答案解析】see sb/sth do意思是“看见某人做某事”，表示发生过的行为。 see sb/sth doing意思是“看见某人在做某事”，表示观看当时正在发生的事情。sb/sth应该是do的动作执行者，否则do要用被动式。
单选题 A. step across B. step out onto C. step along D. step on
【正确答案】 B
【答案解析】绳子拉好后，人们看到一个人走到绳子上去。最符合句意的选项为step out onto。
单选题 A. in name B. under the name of C. by name D. to the name of
【正确答案】 C
【答案解析】in name名义上，有名无实的；under the name of以……的名义，用……名字；by name名叫；to the name of属于……的东西，属于……所有。Blondin是actor的名字，所以应用by name。
单选题 A. done B. having done C. having been done D. being done
【正确答案】 B
【答案解析】his是空格处应填入非谓语动词的逻辑主语，故应用其主动形式。 A、C和D都是被动式。