one的复数形式为ones.ppt

It can be stationed on the wall. It can make our room warm in winter and cool in summer. It’s a type of oven which cooks food very quickly using microwaves. A electric machine for washing clothes. A electrical appliance that takes up dust, dirt, etc by suction. Read what the manager says (Part A on Page 6) and fill in the form. * * An air-conditioner A microwave oven A cabinet or room in which food is kept cold. A refrigerator A washing machine A vacuum cleaners Video devices: Educational products: Audio devices: Electronic goods CD players MP3 players MP3 players Video cameras Digital cameras educational software electronic dictionaries electronic translators Computers Mobile phones Part C on Page 7 Answers C (1) electronic goods (2) household appliances (3) audio devises (4) CD player (5) MD players (6) MP3 (7) video cameras (8) educational software (9) translators (10) freezer section (11) vacuum cleaners (12) microwave oven Electrical appliances and electronic devices are useful in various ways in our lives. But which do you think is the most useful? n. [C] the natural purpose (of sth.) or the duty (of a person): 功能,作用 The function of the veins is to carry blood to the heart. Im not quite sure what my function is within the company. A thermostat performs the function of controlling temperature. n. [U] 功能 Its a disease which affects the function of the nervous system (= the way in which it works or operates). Studies suggest that regular intake of the vitamin significantly improves brain function.  v. [I] to work or operate: 起作用 Youll soon learn how the office functions. The television was functioning normally until yesterday. Im so tired today, I can barely function. one的复数形式为ones,作替代词时,只可替代同一类人或事物的复数名词,其前面必须有限定词,如the, some, all等修饰.但不能用数词或many修饰.例如: 1)Mr. Zhang gave the textbooks to the pupils except the ones who had already taken them.(