1、阅读理解练习试卷 7 及答案与解析一、Part III Reading ComprehensionDirections: In this part there are four passages. Each passage is followed by a number of comprehension questions. Read the passages and choose the best answer to each question. Then, mark your answer by blackening the corresponding letter on the Answ
2、er Sheet.0 Some desert regions get no rainfall for months, and even years. Yet water can be found if you dig deep enough. For a long time this was a puzzling question. Then geologists found the answer. The underground water is rainwater-but the rain fell hundreds of miles away! It soaked into the gr
3、ound and then flowed underground through a rock sandwich.A rock sandwich with water in the filling has a scientific name: aquifer. An aquifer is composed of two or more layers of nonporous rock. Thats the bread of the sandwich. The filling is a layer of porous rock or sand. The whole sandwich, or aq
4、uifer, is titled at a slant. The higher end is in a region of good rainfall, where the rain soaks into the porous rock or sand. The rainwater flows down at a slant between the nonporous rock layers. If a well is drilled through the top layer, the water flows up into the well.If the upper end of the
5、aquifer is higher than the top of the well, the water is forced up without pumping. This convenient arrangement is called an artesian well because this kind of well was first developed in Artois, France.1 A geologist is a person who studies _.（A）weather patterns（B） boundaries and land claims（C） the
6、surface layers of the earth（D）the orbits of heavenly bodies2 After the rain soaks into rocks, the rain water flows _.（A）into the well（B） down between rock layers（C） through the sandwich（D）to the dry regions3 The artesian well was first developed in _.（A）France（B） Spain（C） England（D）America4 This pas
7、sage is about _.（A）freshwater seas（B） salt water（C） mountain streams（D）underground water4 Termites are social insects like ants, living in well-organized colonies established and centered around a queen and her mate. The queens chief function is to lay eggs. Termites of a worker caste, white in colo
8、r, tend the eggs and young and go forth to find food. Other termites form a soldier caste; they are white also but have larger heads than the workers. In the spring, young queen and king termites-brown or black in color-fly from the nest and enter the ground to mate and start new colonies.The coloni
9、es are underground because the soil provides moisture the termites need to sustain life. A worker dining on a tasty door frame, for example, may make several trips below ground daily, both to bring food to the colony and to replenish its own moisture supply. If its retreat to earth is cut off, it wi
10、ll die. In brief, termites only go into wooden structures to eat. They cant move in and set up housekeeping there unless they find a supply of water, as from a plumbing leak in a wall. Almost every, termite infestation begins with a colony based in the soil. If you have a way of keeping the pests un
11、derground, you dont have to worry about them.5 Termites have to replenish their moisture supply. This means they have to _ their water supply.（A）replace（B） destroy（C） hide（D）drain6 The queens chief job is to _.（A）build tunnels（B） lay eggs（C） find food（D）protect the colony7 The termites main diet con
12、sists of _.（A）water（B） plant leaves（C） smaller insects（D）wood8 What do termites feel the most important to consider before they move in the wood structure?（A）Food.（B） Housekeeping.（C） Soil.（D）Water supply.阅读理解练习试卷 7 答案与解析一、Part III Reading ComprehensionDirections: In this part there are four passage
13、s. Each passage is followed by a number of comprehension questions. Read the passages and choose the best answer to each question. Then, mark your answer by blackening the corresponding letter on the Answer Sheet.【知识模块】 阅读理解1 【正确答案】 C【试题解析】 第一段。这句话是说，geologists 找到答案地下水是雨水。 -ist 后缀表示专家，geo-前缀表示地球。根据有
14、关地球的答案以及词的构成，可以断定这些人是研究地球的。选项 C 是正确的。【知识模块】 阅读理解2 【正确答案】 B【试题解析】 第二段后半部分。降雨过后，雨水会渗透到岩石和沙子中，然后顺岩石间的斜面往下流。选项 B 是正确的。【知识模块】 阅读理解3 【正确答案】 A【试题解析】 第三段。这种自流井最开始是在法国开发的。选项 A 是正确的。【知识模块】 阅读理解4 【正确答案】 D【试题解析】 全文讲的是地下水的来龙去脉。讲了有些沙漠地区的水的来源，水流向该沙漠地区的渠道，以及这些沙漠地区地下水的取用。选项 D 是正确的。【知识模块】 阅读理解【知识模块】 阅读理解5 【正确答案】 A【试题
15、解析】 第二段。一开始文章就说白蚁需要土壤为它提供湿度以维持其生命，可见使自己的身体保持一定的湿度是很重要的。它们每日进地下数次，一是给地下的同类提供食物。另一个到地下的原因与湿度供给有关，肯定是提供湿度，以保证他们继续生存。选项 A 是正确的。Replace 归还、替换、放回，destroy 破坏、摧毁，hide 藏密， drain 排水。【知识模块】 阅读理解6 【正确答案】 B【试题解析】 第一段。蚁后的任务就是产卵。选项 B 是正确的。【知识模块】 阅读理解7 【正确答案】 D【试题解析】 第二段。白蚁只吃木制建筑。选项 D 是正确的。【知识模块】 阅读理解8 【正确答案】 D【试题解析】 第二段最后。白蚁只吃木制建筑，但又不能把家安置在那里。除非有水的保证，比如墙中有管道漏水。所以在它们考虑是否进入这座木制建筑物之前，有没有水是最重要的。选项 D 是正确的。【知识模块】 阅读理解
