记牢固定短语 多积常用词块 1.put_forward　　　　提出；推荐

2．draw_a_conclusion 得出结论

3．expose_..._to 使显露；暴露

4．of_sb.'s/sth.'s_day 在某人/某物存在的时候

5．face_a_challenge 面临挑战

6．mark_..._on_... 在......上把......标出来

7．be_to_blame 该受责备；应负责

8．look_into 调查

9．slow_down 减速；减缓

10．link_..._to_... 将......和......联系或连接起来

1.pass sth. from parents to their children

　父母传给子女某物

2．find supporting evidence 找到有力的证据

3．the research into a disease 对......疾病的研究

4．a cloud of gas 一团气体

5．gather information 收集信息

6．make further investigations 做进一步调查

7．to prevent this from happening again

为了防止这种情况再次发生

8．an outbreak of cholera 霍乱爆发 　　三、这样记句式

先背熟 再悟通 后仿用 1.Neither its cause nor its cure was understood.

人们既不知道它的病源，也不知道它的治疗方法。 neither ...nor ..."既不......也不......"。 In autumn, it's neither_too_hot_nor_too_cold.

秋天，既不太热也不太冷。 2.So many thousands of terrified people died every time there was an outbreak.

因此，每次爆发霍乱时就有成千上万惊恐的人死去。 every time "每次"，作连词用，引导时间状语从句。 Every_time_I_went_to_see_her,_she was absorbed in her research work.

每次我去看她时，她都全神贯注于研究工作。 3.In two particular streets, the cholera outbreak was so severe that more than 500 people died in ten days.

在两条特定的街上霍乱流行得很严重，以至于10天内就有500多人死亡。 so ... that ..."如此......以至于......"；that引导结果状语从句。 They look so_attractive_that I think you could be interested in the exhibition. (2017·全国卷Ⅱ书面表达)

它们看上去很有吸引力，我认为你可能会对这个展览感兴趣。 4.To prevent this from happening again, John Snow suggested that the source of all the water supplies be examined.

为了防止这种情况再度发生，约翰·斯诺建议所有水源都要经过检测。 suggest表示"建议"时，其后宾语从句中的谓语动词常常使用"(should＋)动词原形"。但表示"表明；暗示"时不用虚拟语气。 My deskmate's sleepy look suggested that he was_tired_of his study and I suggested he (should)_have_a_rest.

我的同桌困倦的表情表明他学习累了。我建议他休息一下。