18.convince： vt. 使確認，使信服 （ to convince sb. to do sth. ）
e.g. I can easily convince you of his ignorance. 我可以很容易地使你相信他的無知。
He was convinced to withdraw from running for the presidency.他被勸說退出總統(tǒng)競選。
He is convinced that some plants are threatened with extinction.
他相信某些植物物種正受到滅絕的威脅。
19.excerpt n./vt. 摘錄，節(jié)錄
20.beloved a./n. 為…所愛的；親愛的；心愛的人
21.foster vt. 鼓勵，促進；養(yǎng)育，撫養(yǎng)
22.persuasion ： n. 勸說，說服
派生詞：persuade v. 勸說，說服 （ to persuade sb. to do sth. ）
e.g. All our persuasion was of no use； she would not come. 我們所有的勸說都沒有用；她不肯來。
The salesman persuaded us to buy into buying his products. 那推銷員說服我們購買了他的產(chǎn)品。
23.avail ： v. / n. 有利，有助
派生詞：available a. 可得到的，可利用的
e.g. You should avail yourself of every chance to improve your English. 你應(yīng)該利用一切機會提高你的英語。
The medicine didn‘t avail against the disease. 這藥對這種病沒有產(chǎn)生療效。
Their efforts were to no avail. 他們的努力不起作用。
24.hiker n. 徒步旅行者
25.smother vt./vi. 使窒息，把…悶死；忍?。恢舷?BR> 26.suspect ： vt. / n. 懷疑，推測；/ 嫌疑犯，可疑分子
e.g. He suspected a scheme against his life. 他懷疑有人要謀害他的性命。
The security department suspected him of giving information to a foreign company.
安全部門懷疑他向一家外國公司提供情報。
I suspect that he has failed to arrange his time efficiently. 我懷疑他沒有能力有效地控制時間。
suspect 是比較確定的懷疑
doubt 是對某事不相信，懷疑
27.county n.（英國）郡；縣
28.profound ：a. 深刻的，深奧的
e.g. This is a profound theory. 這是一個深奧的理論。
Those two lines of poetry express perfectly the profound sadness of loss.
這兩行詩完美地表達了失去親人的深切的悲痛。
29.juvenile a./n. 青少年的，青少年
30.materialism n. [哲]唯物主義，唯物論
31.solicit vt. 請求，懇求
32.p.a.（=public address） system 有線廣播，擴音系統(tǒng)
33.merchant n. 商人
34.heartbreaking a. 使人心碎的
35.resonance n. 回聲，反響；共振，共鳴
詞組phrases
1.to convince sb. to do sth. 說服某人做某事
2.on one‘s head ：The children’s safety is on the teacher‘s head.
3.to/ of no avail 完全無用，毫無效果
e.g. I tried to persuade him not to resign ， but to no avail. 我試圖勸說他不要辭職，但毫無效果。
The doctors‘ efforts to save the child were to/of no avail. 醫(yī)生搶救孩子的努力沒有成功。
4.to comment on ： 對…評論
e.g. The king refused to comment on / upon the election results. 國王拒絕對大選結(jié)果做出評論。
The critics commented favorably on his new book. 評論家對于他的新書給予好評。
Can you comment on this conclusion？ 你能對這一結(jié)論發(fā)表意見嗎？
e.g. I can easily convince you of his ignorance. 我可以很容易地使你相信他的無知。
He was convinced to withdraw from running for the presidency.他被勸說退出總統(tǒng)競選。
He is convinced that some plants are threatened with extinction.
他相信某些植物物種正受到滅絕的威脅。
19.excerpt n./vt. 摘錄，節(jié)錄
20.beloved a./n. 為…所愛的；親愛的；心愛的人
21.foster vt. 鼓勵，促進；養(yǎng)育，撫養(yǎng)
22.persuasion ： n. 勸說，說服
派生詞：persuade v. 勸說，說服 （ to persuade sb. to do sth. ）
e.g. All our persuasion was of no use； she would not come. 我們所有的勸說都沒有用；她不肯來。
The salesman persuaded us to buy into buying his products. 那推銷員說服我們購買了他的產(chǎn)品。
23.avail ： v. / n. 有利，有助
派生詞：available a. 可得到的，可利用的
e.g. You should avail yourself of every chance to improve your English. 你應(yīng)該利用一切機會提高你的英語。
The medicine didn‘t avail against the disease. 這藥對這種病沒有產(chǎn)生療效。
Their efforts were to no avail. 他們的努力不起作用。
24.hiker n. 徒步旅行者
25.smother vt./vi. 使窒息，把…悶死；忍?。恢舷?BR> 26.suspect ： vt. / n. 懷疑，推測；/ 嫌疑犯，可疑分子
e.g. He suspected a scheme against his life. 他懷疑有人要謀害他的性命。
The security department suspected him of giving information to a foreign company.
安全部門懷疑他向一家外國公司提供情報。
I suspect that he has failed to arrange his time efficiently. 我懷疑他沒有能力有效地控制時間。
suspect 是比較確定的懷疑
doubt 是對某事不相信，懷疑
27.county n.（英國）郡；縣
28.profound ：a. 深刻的，深奧的
e.g. This is a profound theory. 這是一個深奧的理論。
Those two lines of poetry express perfectly the profound sadness of loss.
這兩行詩完美地表達了失去親人的深切的悲痛。
29.juvenile a./n. 青少年的，青少年
30.materialism n. [哲]唯物主義，唯物論
31.solicit vt. 請求，懇求
32.p.a.（=public address） system 有線廣播，擴音系統(tǒng)
33.merchant n. 商人
34.heartbreaking a. 使人心碎的
35.resonance n. 回聲，反響；共振，共鳴
詞組phrases
1.to convince sb. to do sth. 說服某人做某事
2.on one‘s head ：The children’s safety is on the teacher‘s head.
3.to/ of no avail 完全無用，毫無效果
e.g. I tried to persuade him not to resign ， but to no avail. 我試圖勸說他不要辭職，但毫無效果。
The doctors‘ efforts to save the child were to/of no avail. 醫(yī)生搶救孩子的努力沒有成功。
4.to comment on ： 對…評論
e.g. The king refused to comment on / upon the election results. 國王拒絕對大選結(jié)果做出評論。
The critics commented favorably on his new book. 評論家對于他的新書給予好評。
Can you comment on this conclusion？ 你能對這一結(jié)論發(fā)表意見嗎？