江苏省连云港市东海县晶都双语学校七年级英语下册 Unit 4 Finding your way Grammar 2课件 (新版)牛津版.ppt

* There is a cage in the picture. cage n. 笼子, 鸟笼 The cage is beautiful. a snake a lion a tiger a giraffe an egg an umbrella an orange an English book 1. 第一次提到某人或某物时。 I have a book. 2. 泛指某一类的人或物。 A panda is very lovely. 判断一个单词用 a 还是用 an，是根据其读音，而不是根据其首字母。以元音音素开头的词前用“an”，以辅音音素开头的词前 “a” 。如：an hour, an apple, an elephant, a useful book等。 Look! Here is a panda. The panda is eating bamboo. Look! Here is an apple. The apple is red. 1. 指上文提到过的人或物。如： Lucy bought a new bike, the bike is green. 2. 世界上独一无二的事物。如： the sun the moon 3. 谈到彼此都知道的人或事物。如： Open the door, please. 4. 序数词和形容词最高级前。如： She is always the first to get to school. 5. 乐器名词前用。如： play the piano play the violin 6. 定冠词与形容词连用表示一类人，加  在姓氏前面表示一家人。如： the rich 有钱人 the Smith 史密斯一家 7. 某些专用名词和习惯用语中用定冠 词。如: the Great Wall by the way 1. 名词前已经有指示代词（this, that, these, those）、形容词性物主代词(my, his, our …)或名词所有格等限定词。 2. 表示语言、学科、三餐、球类运动、棋类运动的名词前。 3. 表示星期、月份、季节、某些节日的名词前。 4. 表示人名、国名、称呼语或头衔等专有名词前。 5. 某些固定短语中。 如: by bike , by bus, at first, at work, on foot, go to school, go to bed,等。 Fun in the zoo Millie and Daniel are talking about the animals in the zoo. Complete their conversation with a, an or the. Millie: Let’s go to the Panda House first. Daniel: Here we are. I can see(1) ___ panda there. It’s lying on the grass. Millie: How cute! I love pandas. Look! There’s (2)____ baby panda. It’s so small. a a Daniel : Yes. (3)_____ baby panda doesn’t look like its mother. Millie: Now let’s go to see some lions. Daniel: Are(4) ___ lions in(5) ___ open area? Millie: No, they aren’t. They are in(6) ___ very big cage. The the an a Daniel : I see. (Half an hour later) Daniel: Millie, here’s(7)____ bridge. What can you see across it? Millie: Oh, (8)____ elephant is standing over there. Daniel: Let’s go across(9) ____ bridge and see(10) ____ elephant. a an th