[10-20 18:10:12] 来源：http://www.67xuexi.com 高二英语 阅读：85595次
25. Tides provide energy for the ecosystems, but estua- ries are protected from waves and storms by islands, mud or sand. 海潮为生态系统提供能量，河口则由于受到岛屿和泥沙的保护而免遭海浪和风暴的影响。(p.23 第二段 第3－4行)
1) 动词provide的用法
▲provide意为"提供""借给"，通常用"provide sb. with sth."或"provide sth. to／for sb."这两个结构，意为"向某人提供某物"。如：①The book will provide you with the information you need. 这本书会向你提供你所需的情况。 ② We provided him with lodging and food.我们向他们提供食宿。③ The sick were provided with blankets against cold. 给这些病人提供了御寒的毯子。④ His uncle provides money to John. 约翰的伯父给他钱。⑤ The forests provide shelter for wild animals.森林为野兽提供藏身之处。
【注】provide与against连用。如： ① They had already provided against the attack. 他们已做好应付进攻的准备。 ② We have to provide against accidents. 我们必须做好应付事故的准备。
【注】provide的过去分词可引导条件状语从句，表示"如果""只要"。如：① You may keep the book a further week provided that no one else requires it. 只要没有别人要这本书，你还可借一个星期。② She may come with us provided (that) she arrives in time.如果她及时到达，她可能会和我们一道来。③We'll visit Europe next year, provided we have the money. 如果我们有这笔钱，我们明年将去欧洲。
【注】providing也可引导条件状语从句。如：① You may go out providing you do your homework first. 只要你先把作业做好，你就可以出去。② Providing (that) there is no oppositions, we shall hold the sports meet here. 如果没有人反对，我们将来这里开运动会。
2) protect一词的用法
▲ protect意为"保护"，后接介词from或against。如： ① Protect the baby's eyes from the sun. 保护孩子的眼睛，不要让太阳照射。 ② He raised his aln3 t0 protect his face from the blow. 他举起手臂护住脸，以免被这一拳打中。 ③ Put on a thicker coat to protect yourself from the cold. 穿件厚点的外衣以免冻着。④ The eyelashes protect the eyes from dust and dirt. 眼睫毛保护眼睛不让尘埃和脏东西进去。
【注】动词protect表示"保护......免受......"，后用from或against都可以，但对于较大的事情如天灾等，介词一般用against。较小的事情用from。如上述例句①－④。
高二英语Unit14 Making a difference知识点总复习教案
Section I 课前准备、听力、口语
1. Martin Luther King. Jr formed an organization for American black leaders to work together in 1957. 马丁.路德.金在1957年组成了一个为黑人领袖们共同工作的组织。(P.25 Martin Luther King, Jr 第五点) ★ form vt.
(1) vt. 组织，组成 He formed a class for beginners. 他成立了一个初学班。
(2) vt. 形成(人格、精神)；养成习惯 Group activities help to form a child's character. 团体活动对小孩的性格形成有帮助。
(3) vt. & vi. 想出(计划、意见等)，(希望，想法等的)产生I can't form an opinion about it. 这件事我想不出什么意见。An idea formed in his mind. 他心中产生了某种想法。
(4) vt. 使......排队(成......) The captain formed soldiers into a line. 那位上尉让士兵排成一列。
(5) n. [U, C] 形状，外形The cookies were all in the form of stars. 那些饼干的形状都像星星。
(6)[C]形态，种类Different countries have different forms of government. 不同的国家有不同的政治形态。
(7)[C]格式，表格纸 fill in the form 填写表格
辨析：form，figure与shape
form 应用最广，意义最不受限制，可指外在的形状或内在的形式等。the form of a square 正方形; literary form 文学形式figure 线条决定的形状、图案；可指人的身材。draw a figure of a circle 画个圆形; a slim figure 修长的身材shape 指外部的线条，但有较强的"团、块"概念。the shape of a bottle 瓶子的形状; work the clay into the shape of a woman 将陶土塑成一个女人的形状
联想：(后缀) former adj. 从前的，早先的the former 前者 (与the latter相对) formative adj. 构成的，形成的
from prep. 自，从
拓展：in form / on form 情况良好; out of form / off form情况不好
2. Nelson Mandela was put in prison from 1962 till 1989. Nelson Mandela 从1962年到1989年被投入监狱。(P.25 Nelson Mandela 第六点)
★ prison: put／throw／send sb. in (into) prison 将......送进监狱，注意：prison前不加冠词，表示较为抽象的概念。其被动形式为be put in (into) prison (被关进监狱). be sent to prison (被送进监狱); be thrown into prison (被投进监狱)。如：Law-breakers are put in／into prison. 犯法的人都要坐牢。The thief was sent to prison for a year. 那个小偷被送去坐了一年牢。He was put in prison／thrown into prison／sent to prison／taken to prison for political reasons. 由于政治原因，他被关进了监狱。Whoever refused to bow was thrown into prison. 任何拒绝鞠躬的人都被关进了监狱。
拓展：go to prison 入狱; be out of prison 出狱; be in prison 在狱中; escape from prison 越狱; come out of prison 出狱; break prison 越狱
3. In 1850 a law was made to forbid people to help run- away slave. 1850年通过一项法律阻止人们帮助逃跑的奴隶。(P.26 Harriet Tubman 第三点)
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