tailieunhanh - Environmental studies part 3

WORD STUDY A. REThe prefix re- means “to do something again.” Here is an example: re- + read = reread (to read again) If you don’t understand a story the first time you read it, then you should reread it. | UNIT 3 ENERGY AND NUTRIENTS 19 7 biome G. the process in plants by which carbon dioxide is converted into organic compounds using the energy of light 8 nutrient H. an animal that eats all types of food especially both plants and meat 9 consumer I. an organism that produces organic compounds from simple substances 10 producer J. any animal uses the bodies of dead animals and plants for its food WORD STUDY A. RE- The prefix re- means to do something again. Here is an example re- read reread to read again If you don t understand a story the first time you read it then you should reread it. EXERCISE Add the prefix re- to each word in the box. Then choose the correct word to complete each sentence. arrange do order tell build married take write 1 José made many mistakes in his first composition. Before he gives it to his teacher tomorrow he is going to. it. 2 Dave and Susan Johnson got divorced 10 years ago. Last year Susan got . and moved to Canada with her new husband. 3 I think I should. the furniture in my apartment. The way I have the tables and chairs now makes the room look crowded. 4 Children love to hear their grandparents tell stories They often ask their grandparents to. their favorite stories many times. 5 The new waiter at the restaurant forgot our order for dinner so we had to . everything. 6 If you don t get a good score on the TOEFL exam this weekend you can . it next month. 20 ENGLISH FOR ENVIRONMENTAL STUDIES B. WORD FORMS NOUNS Sometimes verbs and nouns have the same form. Sometimes we can change adjectives and verbs to nouns by adding a suffix or changing the form of the word. Look at the nouns below. Notice how they are related to other words. -ity same form adjective noun verb noun electric able national necessary possible electricity ability nationality necessity possibility change control divorce change control divorce different form marry choose marriage choice EXERCISE Practice using direct objects. Choose the correct noun form of the word in .