人教版高中英语必修二 《Wildlife Protection》SectionA PPT下载

人教版高中英语必修二《Wildlife Protection》SectionA PPT下载，共79页。

语言知识讲练

高 频 词 语

1. die out 灭亡；逐渐消失

【典例促记】

⊙Our planet’s species is dying out at an alarming rate. (P14)

我们星球上的物种正以惊人的速度灭绝。

⊙Many old customs have died out because they are out of date.

因为已经过时，许多旧的习俗已经逐渐消失。

⊙You have to break away from smoking, otherwise you may die of lung cancer.

你必须戒烟，否则你会死于肺癌。

2. aware adj. 知道；发觉；有……意识的

【典例促记】

⊙We must make people aware of the problem and help save the endangered wildlife before it’s too late! (P14)

我们必须让人们意识到这个问题，趁着还不晚，帮助拯救濒危野生动植物！

⊙While chatting with them, I became aware of the advantages of physical exercises.

和他们聊天时，我意识到体育锻炼的好处。

3. average n. 平均数；平均水平　adj. 平均的；正常的；普通的

【典例促记】

⊙How many elephants are killed on average every day? (P14)

平均每天有多少头大象被杀？

⊙Harry is below average in his lessons and Jim is about up to the average.

哈利的功课在平均水平以下，吉姆的功课刚到达平均水平。

⊙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销平均为220美元。

⊙On average, people who don’t smoke are healthier than people who do.

通常，不吸烟的人比吸烟的人更健康。

4. concern vt. 涉及；让……担忧

【典例促记】

⊙I’m concerned about the African elephants. (P15)

我很担心非洲大象。

⊙As far as I am concerned, educators should be concerned about the problems that are concerned with the healthy growth of children.

在我看来，教育工作者应该关心与儿童健康成长有关的问题。

常 用 句 式

1. This_is_why we’re here—to observe Tibetan antelopes.(P16)

这就是我们来到此地的原因——观察藏羚羊。

2. Watching_them_move_slowly_across_the_green_grass,

I’m struck by their beauty. (P16)

看着它们(藏羚羊)缓缓穿过绿色的草地，我被其美丽所震撼。

3. Only_when_we_learn_to_exist_in_harmony_with_nature can_we stop being a threat to wildlife and to our planet. (P16)

只有学会和大自然和谐共处，我们才不会成为野生生物和地球的威胁。

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