TOEFL全真试题
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TOEFL全真试题1
Reading Comprehension Time: 55 minutes (including the reading of the directions). Now t your clock for 55 minutes. Question 1-12 Orchids are unique in having the most highly developed of all blossoms, in which the usual male and female reproductive organs are fud in a single structure called the column. The column is designed so that a single pollination will fertilize hundreds of thousands, and in some cas millions, of eds, so microscopic and light they are easily carried by the breeze. Surrounding the column are three pals and three petals, sometimes easily recognizable as such, often distorted into gorgeous, weird, but always functional shapes. The most noticeable of the petals is called the labellum, or lip. It is often dramatically marked as an unmistakable landing strip to attract the specific inct the orchid has chon as its pollinator. To lure their pollinators fro
m afar, orchids u appropriately intriguing shapes, colors, and scents. At least 50 different aromatic compounds have been analyzed in the orchid family, each blended to attract one, or at most a few, species of incts or birds. Some orchids even change their scents to interest different incts at different times. Once the right inct has been attracted, some orchids prent all sorts of one-way obstacle cours to make sure it does not leave until pollen has been accurately placed or removed. By such ingenious adaptations to specific pollinators, orchids have avoided the hazards of rampant crossbreeding in the wild, assuring the survival of species as discrete identities. At the same time they have made themlves irresistible to collectors. 1. What does the passage mainly discuss? (A) Birds (B) Incts (C) Flowers (D) Perfume 2 The orchid is unique becau of (A) the habitat in which it lives (B) the structure of its blossom (C) the variety of products that can be made from it (D) the length of its life 3 The word fud in line 2 is clost in meaning to (A) combined (B) hidden (C) fertilized (D) produced 4 How many orchid eds are typically pollinated at one time? (A) 200 (B) 2,000 (C) 20,000 (D) 200,000 5 Which of the following is a kind of petal? (A) The colu
mn (B) The pal (C) The stem (D) The labellum 6 The labellum(line7) is most comparable to (A) a microscope (B) an obstacle cour (C) an airport runway (D) a racetrack 7 The word lure in line 10 is clost in meaning to (A) attract (B) recognize (C) follow (D) help 8 Which of the following is NOT mentioned as a means by which an orchid attracts incts? (A) Size (B) Shape (C) Color (D) Perfume 9 The word their in line 13 refers to (A) orchids (B) birds (C) incts (D) species 10 Which of the following statements about orchids scents does the passage support? (A) They are effective only when an inct is near the blossom. (B) Harmful incts are repelled by them. (C) They are difficult to tell apart. (D) They may change at different times. 11 The word placed in line 15 is clost in meaning to (A) estimated (B) measured (C) deposited (D) identified 12 The word discrete in line 18 is clost in meaning to (A) complicated (B) parate (C) inoffensive (D) functional
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TOEFL全真试题2
Reading Comprehension Time: 55 minutes (including the reading of the directions). N
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下冰雹ow t your clock for 55 minutes. Question 1-12 Orchids are unique in having the most highly developed of all blossoms, in which the usual male and female reproductive organs are fud in a single structure called the column. The column is designed so that a single pollination will fertilize hundreds of thousands, and in some cas millions, of eds, so microscopic and light they are easily carried by the breeze. Surrounding the column are three pals and three petals, sometimes easily recognizable as such, often distorted into gorgeous, weird, but always functional shapes. The most noticeable of the petals is called the labellum, or lip. It is often dramatically marked as an unmistakable landing strip to attract the specific inct the orchid has chon as its pollinator. To lure their pollinators from afar, orchids u appropriately intriguing shapes, colors, and scents. At least 50 different aromatic compounds have been analyzed in the orchid family, each blended to attract one, or at most a few, species of incts or birds. Some orchids even change their scents to interest different incts at different times. Once the right inct has been attracted, some orchids prent all sorts of one-way obstacle cours to make sure it does not leave until pollen has been accurately placed or removed. By such ingeni
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i559ous adaptations to specific pollinators, orchids have avoided the hazards of rampant crossbreeding in the wild, assuring the survival of species as discrete identities. At the same time they have made themlves irresistible to collectors. 1. What does the passage mainly discuss? (A) Birds (B) Incts (C) Flowers (D) Perfume 2 The orchid is unique becau of (A) the habitat in which it lives (B) the structure of its blossom (C) the variety of products that can be made from it (D) the length of its life 3 The word fud in line 2 is clost in meaning to (A) combined (B) hidden (C) fertilized (D) produced 4 How many orchid eds are typically pollinated at one time? (A) 200 (B) 2,000 (C) 20,000 (D) 200,000 5 Which of the following is a kind of petal? (A) The column (B) The pal (C) The stem (D) The labellum 6 The labellum(line7) is most comparable to (A) a microscope (B) an obstacle cour (C) an airport runway (D) a racetrack 7 The word lure in line 10 is clost in meaning to (A) attract (B) recognize (C) follow (D) help 8 Which of the following is NOT mentioned as a means by which an orchid attracts incts? (A) Size (B) Shape (C) Color (D) Perfume 9 The word their in line 13 refers to (A) orchids (B) birds (C) incts (D) species 10 Which of the following
statements about orchids scents does the passage support? (A) They are effective only when an inct is near the blossom. (B) Harmful incts are repelled by them. (C) They are difficult to tell apart. (D) They may change at different times. 11 The word placed in line 15 is clost in meaning to (A) estimated (B) measured (C) deposited (D) identified 12 The word discrete in line 18 is clost in meaning to (A) complicated (B) parate (C) inoffensive (D) functional 大惊小怪的意思是什么
