人教版高中英語必修二《Wildlife Protection》SectionA PPT下載，共79頁。
語言知識講練
高 頻 詞 語
1. die out 滅亡；逐漸消失
【典例促記】
⊙Our planet’s species is dying out at an alarming rate. (P14)
我們星球上的物種正以驚人的速度滅絕。
⊙Many old customs have died out because they are out of date.
因為已經過時，許多舊的習俗已經逐漸消失。
⊙You have to break away from smoking, otherwise you may die of lung cancer.
你必須戒煙，否則你會死于肺癌。
2. aware adj. 知道；發覺；有……意識的
【典例促記】
⊙We must make people aware of the problem and help save the endangered wildlife before it’s too late! (P14)
我們必須讓人們意識到這個問題，趁著還不晚，幫助拯救瀕危野生動植物！
⊙While chatting with them, I became aware of the advantages of physical exercises.
和他們聊天時，我意識到體育鍛煉的好處。
3. average n. 平均數；平均水平 adj. 平均的；正常的；普通的
【典例促記】
⊙How many elephants are killed on average every day? (P14)
平均每天有多少頭大象被殺？
⊙Harry is below average in his lessons and Jim is about up to the average.
哈利的功課在平均水平以下，吉姆的功課剛到達平均水平。
⊙Parents spend an average of $220 a year on toys for their children.
父母一年在孩子玩具上的花銷平均為220美元。
⊙On average, people who don’t smoke are healthier than people who do.
通常，不吸煙的人比吸煙的人更健康。
4. concern vt. 涉及；讓……擔憂
【典例促記】
⊙I’m concerned about the African elephants. (P15)
我很擔心非洲大象。
⊙As far as I am concerned, educators should be concerned about the problems that are concerned with the healthy growth of children.
在我看來，教育工作者應該關心與兒童健康成長有關的問題。
常 用 句 式
1. This_is_why we’re here—to observe Tibetan antelopes.(P16)
這就是我們來到此地的原因——觀察藏羚羊。
2. Watching_them_move_slowly_across_the_green_grass,
I’m struck by their beauty. (P16)
看著它們(藏羚羊)緩緩穿過綠色的草地，我被其美麗所震撼。
3. Only_when_we_learn_to_exist_in_harmony_with_nature can_we stop being a threat to wildlife and to our planet. (P16)
只有學會和大自然和諧共處，我們才不會成為野生生物和地球的威脅。
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