Unit7 New Waves of Technology教案
（5）i’ve gone through all the envelopes i bought last week.我已用完了上周買的所有信封。11. teenagers are under so much pressure to live up to…live up to 按……行事，達到（標準，高度）我們繼續按諾言行事。we’ll continue to live up to our promises.他們希望他將不辜負他們的期望。they hope he will live up to their expectations.live up to one’s name 名副其實12. television and movies were intended to be a form of…intend a 打算，有心，有意圖intend to do/doing/that clausewhat do you intend to do/doing?i intend that we shall arrive tomorrow.我們原本打算邀請你的。we intended that you should be invited.打算讓……人做某事i intend you to come with me.b. 打算讓……起……作用，多用于被動結構。它原本被認為是個笑話。it was intended as /to be a joke.13. how come our young people…come vi. 用于引申義，發生某種情況how come it that you didn’t get there in time?14.spread 展開，蔓延the bird spread its wings.the illness spread through the village. 單元熱點語法不定冠詞a / an用法1. a / an的基本意思是“一”，表示泛指。例如：i want a book. this is a ruler.2. 單詞前用a / an取決于單詞的開頭發音而不是取決于開頭的字母。如a useful book，a university，an hour，an honest boy。3. a / an表示“一”這一概念時，意思與one相似。常用在hundred，thousand，million，billion，dozen，hour等單詞前。例如：there are a hundred students in the hall. he waited for you for half an hour.4. a / an與可數名詞連用表示一類事物、人或者泛指。例如：a horse is an animal. an eye is an organ for seeing. 5. a / an用在表示數量、時間、速率等名詞前，表示“每一（單位）……”。例如：he earns 200 dollars a month. he drove the car sixty miles an hour. 6. a / an用于單數可數名詞前，泛指人的職業、國籍、宗教等。例如：tom is a christian. mary is an american.7. a / an用在人名前，表示說話人不清楚或沒有指明所提到的人到底是誰，相當于a certain。也可用于指與某名人有類似性質的人或物。例如：a mr. wang came to visit you this morning. he wants to become a newton. 8. 用于“be of a （an） + 名詞”結構中，用來說明同一事物有相同的大小、形狀、特征等，相當于the same。例如：we are of an age. （= we are the same age.） the two coats are of a size. 9. 用于抽象名詞或物質名詞前，表示具體意義、制成品或種類等。例如：he is a disappointment to his family. i had a tea.10. 用于某些固定搭配中。如in a word，take a walk，at a time，once upon a time。【模擬試題】section 1new words and ideas請從每道題的四個選項中選出一個最佳選項。1. it makes good _______ to plant more trees around the lake.