单选题
Directions: There are 20 blanks in the following passage. For each blank there are four choices marked A), B), C) and D) on the right side of the paper. You should choose the ONE that best fits into the passage. Then mark the corresponding letter on Answer Sheet 2 with a single line through the centre.
Today, most countries in the world have canals. Many countries have built canals near the coast, and parallel {{U}}(67) {{/U}} the coast. Even in the twentieth century, goods can be moved more cheaply by boat than by any other {{U}}(68) {{/U}} of transport. These waterways make it {{U}}(69) {{/U}} for boats to travel {{U}}(70) {{/U}} ports along the coast without being {{U}}(71) {{/U}} to the dangers of the open. Some canals, such as the Suez and the Panama, save ships weeks of time by making their {{U}}(72) {{/U}} a thousand miles shorter. Other canals permit boats to reach cities that are not {{U}}(73) {{/U}} on the coast, still other canals {{U}}(74) {{/U}} lands where there is too much water, help to {{U}}(75) {{/U}} fields where there is not enough water, and {{U}}(76) {{/U}} water power for factories and mills. The size of a canal {{U}}(77) {{/U}} on the kind of boats going through it. The canal must be wide enough to permit two of the largest boats using it to {{U}}(78) {{/U}} each other easily. It must be deep enough to leave about two feet of water {{U}}(79) {{/U}} the keel (船的龙骨) of the largest boat using the canal. When the planet Mars was first {{U}}(80) {{/U}} through a telescope, people saw that the round disk of the planet was crisscrossed by a {{U}}(81) {{/U}} of strange blue-green lines. These were called "canals" {{U}}(82) {{/U}} they looked the same as canals on earth {{U}}(83) {{/U}} are viewed from an airplane. However, scientists are now {{U}}(84) {{/U}} that the Martian phenomena are really not canals. The photographs {{U}}(85) {{/U}} from space-ships have helped us to {{U}}(86) {{/U}} the truth about the Martian "canals".
【正确答案】 C
【答案解析】[解析] 本题考查固定搭配。parallel to“与……平行”。
【正确答案】 B
【答案解析】[解析] 本题考查固定搭配。means of transport“交通工具”。
【正确答案】 A
【答案解析】[解析] 本题考查上下文语义逻辑。指“这些水路使得船只有可能在港口之间航行”,表示“使……成为可能”,用make it possible而不用make it likely。
【正确答案】 B
【答案解析】[解析] 本题考查介词搭配。between指在两个港口间航行。among指三个或三个以上。
【正确答案】 B
【答案解析】[解析] 本题考查固定搭配be exposed to“使暴露,面临”。本句意为暴露在危险面前。reveal“显示;露出;泄露;透露”,absorb“吸收”,dellver“递送,交付”。
【正确答案】 C
【答案解析】[解析] 本题考查近义词辨异。voyage特指水上航行,用在此处最恰当。
【正确答案】 D
【答案解析】[解析] 本题考查动词辨义。locate“位于”,常用于被动语态,符合句意。其他选项意思为:decorate“装饰”,statione“驻扎于”,settle“安排;安放;安家,定居;栖息”。
【正确答案】 B
【答案解析】[解析] 本题考查上下文词义搭配。drain指“排掉(过多的水)”,符合题意。其他选项意思为:escape“逃跑”;dry“弄干”;leak“泄漏”。
【正确答案】 D
【答案解析】[解析] irrigate“灌溉”与fields后面的定语从句中not enough water语义连贯。liberate“解放”,cultivate“耕作,种植”及soak“浸泡”不符合题意。
【正确答案】 A
【答案解析】[解析] 本题考查动词与介词的搭配。与介词for搭配的只有furnish。
【正确答案】 C
【答案解析】[解析] 本题考查固定短语辨义。depend on“取决于”符合句意。其他选项与on搭配后的意思分别为:base on“基于”;insist on“坚持(要求)”;focus on“集中(注意力)于”。
【正确答案】 B
【答案解析】[解析] 本题考查上下文词义。本句的意思是“运河必须有能够允许两条最大的船通过的宽度”。只有pass“通过”后接指两条船的each other符合句意。cross意为“穿过,横跨”,remove“移走,排除”,advance“(使)前进,(使)发展;促进”。
【正确答案】 C
【答案解析】[解析] 本题考查介词用法。beneath指“在……以下”,表示位置;down指“向下”,表方向;below用于抽象概念;off表示距离。
【正确答案】 D
【答案解析】[解析] 根据telescope“望远镜”,选observe“观察”。study和research指系统研究;survey指“调查,检查”。
【正确答案】 B
【答案解析】[解析] 本题考查固定词组用法。a number of“许多”,修饰可数名词,符合句意。a few“少许,少数”,修饰可数名词,但后面不接介词of;a deal of修饰不可数名词;a supply of不是固定用法。
【正确答案】 B
【答案解析】[解析] 本题考查逻辑搭配。根据句意,这里要用表原因的连词来引导一个状语从句。
【正确答案】 A
【答案解析】[解析] 本题考查从句用法。此处用that指代canals。
【正确答案】 C
【答案解析】[解析] 本题考查上下文词义。在四个选项中,只有certain有“确信”的意思。exact和definite的主语应为事物,decisive不符合句意。
【正确答案】 B
【答案解析】[解析] 本题考查对固定搭配take photographs“拍照”的识别。
【正确答案】 D
【答案解析】[解析] 本题考查近义动词辨异。discover指发现抽象的事物,符合句意;find指发现实物;conceal“隐藏;隐瞒,遮住”;uncover“揭开”。