Unit7 The Sea單元復(fù)習(xí)學(xué)案
--- make sth to one’s measure根據(jù)某人的尺寸做 take measures to do sth采取措施做…… it measures 3 metres in height 3. trick -- play a trick on sb.戲弄某人 trick sb. into doing sth. 騙某人做某事 grammar “比較”的用法1 . it’s three times as big underwater. = it’s three times as big underwater (as it is above the water). = it’s twice bigger underwater (than it is above the water).兩者相比（甲＝乙），用 “as +原級 + as”表示。湯姆和杰克一樣高。 tom is as tall as jack.她能夠做得和她哥哥一樣好。she could do as well as his brother.2. 兩者相比（甲<乙），用“not (so) +原級+ as” 。她沒有你細(xì)心。she is not so careful as you.她沒有她姐姐聰明。she is not so clever as her sister.3. 兩者相比（甲>乙），用 “比較級+ than” 表示。這個房間比那個大。this room is bigger than that one.她的書比我的書貴。her book is more expensive than mine.4. 表示“幾倍于……時”，用“倍數(shù)＋as…as”來表示，也可以用“倍數(shù)＋比較級+than…”表示。 這種飛機(jī)飛得比那種快兩倍。 this kind of plane flies twice faster than that kind. this kind of plane flies three times as fast as that kind.5. 表示一方隨另一方程度變化時，用“the+比較級, the +比較級”結(jié)構(gòu)。你吃得越多，就會變得越胖。the more you eat, the fatter you will be.你學(xué)得越多，懂的就越多。the more you study, the more you know.6 表示三個或三個以上進(jìn)行比較，其中某一方超過其他幾方面的用“__________________”如：她是我們班最好的學(xué)生。 she is the best student in our class.比較級用法總結(jié)二者間的比較： “as +原級 + as” “not (so) +原級+ as” “比較級+ than” “倍數(shù)＋as…as”或“倍數(shù)＋比較級+than…” the+比較級 (of+the +two…)三者之間的比較：the +最高級+比較范圍practice我們的教室比你們的大三倍。