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Unit 2 How often do you exercise? Section B (2a-2e) 重点词汇: 1. about prep. 关于 · We made a survey about job losses. · The teacher asked some questions about students’ vacation. 〖拓展〗about还可作副词,意为“大约,左右” · Frank lost his job about one year ago. · The old woman plays sports about two hours every day. 2. result n. 结果,后果 常用短语the result of..., 意为“.......的结果” · My mother wants to know the result of the math test. 〖拓展〗result可作动词,常用短语有: (1) result from...意为“(因......)发生,(随......)产生” (2) result in...意为“导致,造成” · Some diseases result from water pollution. 一些疾病是水污染引起的。 · Water pollution will result in serious health problems. 水污染会导致严重的健康问题。 3. percent n. 百分之...(无复数形式) 与名词连用时,percent后要用of连接,结构为“数字+percent of+名词”。这一结构作主语时,谓语动词的单、复数形式与of后的名词的数保持一致。 · Only 15 percent of the students exercise every day. · Over 50 percent of the club members are girls. 4. surprised adj. 惊讶的,感到意外的 · She was surprised when we told her the result. · His parents were surprised to find out he was not at school. 〖辨析〗surprised & surprising surprised “惊讶的,感到意外的”,通常用于形容人 surprising “令人吃惊的,使人惊奇的”,通常用于形容事物 · They are surprised to know the surprising result. 5. although conj. 虽然,尽管;即使 though作连词,表示“尽管,虽然”时,一般情况下可以和although互换使用。although和though都不和but, however连用,但可以与yet, still连用。 · Although/Though John is very tired, he still keeps on working. · Although/Though he has much money, (yet) he feels unhappy. 6. through prep. 以,凭借,穿过 · You can make your dream come true through hard work. 你可以通过努力工作来实现你的梦想。 · Go through the gate and you can see a bank on your left. 穿过这个门你就可以看到一家银行在你的左手边。 〖拓展〗through和across through 强调从立体空间的内部穿过 A rabbit ran through the forest. across 强调从物体的表面穿过 A rabbit ran across grassland. 7. such adj.&pron. 这样的;那样的;类似的 such as 例如(as后的动词要变成动名词) · She is such an honest girl. · Exercise such as playing sports is fun. 〖拓展〗so和such的区别 (1) so是副词,修饰形容词和副词;而such是形容词,修饰名词。它们后面都可接单数可数名词,但是结构不同: so+ adj.+a/an +可数名词单数形式 such+ a/an+adj. +可数名词单数形式 · so interesting a story = such an interesting story · so high a mountain= su