keekp doing sth/ keep on doing sth/ keep sb doing sth/ keep sb or sth from doing sth/ stop……from doing sth/ prevent……from doing sth
[1]prevent单词记忆法◆记忆方法一：联想方式：pre（前）；vent（来） 事情发生之前先来做准备→预防。◆记忆方法二：联想方式：pre（前）；vent（来） 记忆方法：事情发生之前先来做准备→预防。◆记忆方法三：词根词缀记忆法：prevent v 防止，阻止（pre预先+vent→预先来到→抢先一步，防止别人）,uen，uent=come，表示“来”◆记忆方法四：prevent (考频：5)
Ⅳ.keep sb / sth from doing sth. “阻止、防止某人/ 某物做某事”如：
① The policeman kept the children from crossing the road when it was dangerous. 危险的时候，这位警察阻止了孩子们过马路。
② Be carful! Keep the glass from dropping on to the floor. 当心！防止玻璃掉到地板上。
[2]floor单词记忆法◆记忆方法一：联想方式：f罚+loo（100）+r（人）罚100人兔子在每层楼上兔子跳◆记忆方法二：分析：f—拐杖，loo—100，r—草 记忆方法：爷爷用拐杖把地面上的 100 棵草给破坏了。◆记忆方法三：分析：f——“佛”的拼音首字母； loo——数字100；r——草； 记忆方法：这个地板是如来佛用 100 棵小草做成的。◆记忆方法四：联想方式：f罚+loo（10
Ⅴ. prevent……from doing sth与上同意，但较正式，隐含预防之意。From在被动语态中不可省。如：
In many countries, laws have been passed to prevent factories from sending out poisonous gases and polluted water. 许多国家已制定法律来制止工厂排放有毒的气体和污水。
[3]have been,have,相关知识点 have been to / have been in / have gone to[1]been,gone,相关知识点been可以表示come或gone的意思[1]come单词记忆法◆记忆方法一：联想方式：c：月亮；o：呼啦圈；me:我 月亮转着呼啦圈来到我的面前◆记忆方法二：联想方式：c：月亮；o：呼啦圈；me:我 记忆方法：月亮转着呼啦圈来到我的面前查看详情>>been
Ⅵ,stop……from doing sth. 与上可代换。它常指现场的具体行为。如：
[4]from单词记忆法◆记忆方法一：联想方式：fr：夫人；om：奥妙从夫人家里找到了奥妙洗衣服。◆记忆方法二：联想方式：fr：夫人；om：奥妙记忆方法：从夫人家里找到了奥妙洗衣服。
The policeman stopped the children from playing football in the street. 警察制止孩子们在街上踢球。
keep on doing sth相关单词意思与记忆法：
keep on doing sth单词意思解释释义：
继续做某事
prevent相关单词意思与记忆法：
prevent单词意思解释释义：
vt. 预防, 防止, 阻止, 妨碍vi. 预防, 防止, 阻止, 妨碍【经】 避免
prevent单词记忆法：
◆记忆方法一：
联想方式：pre（前）；vent（来）
事情发生之前先来做准备→预防。
◆记忆方法二：
联想方式：pre（前）；vent（来）
记忆方法：事情发生之前先来做准备→预防。
◆记忆方法三：
词根词缀记忆法：prevent v 防止，阻止（pre预先+vent→预先来到→抢先一步，防止别人）,uen，uent=come，表示“来”
◆记忆方法四：
prevent (考频：5)
【记】词根记忆：［pre-(前)＋vent；到面前来］
v.(from)预防，防止
【考】 prevent sb. (from) doing 阻止某人做……：The tourist is prevented from entering the country if he does not have a valid passport.如果游客没有有效护照，就不能进入该国。
keep相关单词意思与记忆法：
keep单词意思解释释义：
n. 生计, 维持, 保持vt. 保持, 保存, 遵守, 看守, 整理, 维持, 履行, 经营, 拘留, 记帐vi. 保持, 继续不断【经】 保持, 遵守, 记(帐)相关词组: keep in with sb keep one's head keep someone company earn one's keep keep at keep away keep back keep sth back keep down keep from keep sth back from sb keep in keep in with keep off keep sth on keep on at keep oneself to oneself keep out of keep pace with keep sb going in sth keep under keep to sth keep to the subject keep sth to oneself keep sth up keep up sth keep sb up late keep up with the Joneses keep alive keep an eye on keep good time keep one's bed keep one's word keep regular hours
keep单词记忆法：
◆记忆方法一：
联想方式：kee可恶；p猪
记忆方法：可恶的小猪脸上一直保持冷笑
prevent单词相关例句：He who can suppress a moment's anger may prevent a day of sorrow. 能忍一时气，可免一日优。
A stumble may prevent a fall. 小惩大诫。
Just definitions either prevent or put an end to disputes. 正确的定义不但能避免争论,也能结束争论.
Hand washing can prevent the spread of many infections.
洗手可以有效地防止许多感染的传播。
We did our best to prevent the ship from going down.
我们尽了最大的努力不让船下沉。
Can glasses prevent ultraviolet ray?
眼镜可以防紫外线吗？
The test questions are kept secret, so as to prevent cheating.
试题必须保密，以防作弊。
The wood is treated with preservative to prevent decay.
这块木头用防腐剂处理过以防止腐烂。
But this solution the idea behind is to prevent malicious damage of goods.
而这一解决方案背后的想法是防止对商品的恶意损害。
Regulates melanin production to prevent appearance of new dark spots.
调节黑色素的生产，以防止出现新的黑点。
keep单词相关例句：To suppose, as we all suppose, that we could be rich and not behave as the rich behave, is like supposing that we could drink all day and keep absolute sober.——Logan Pearsall Smith, American weiter 如果以为我们变富后不会像有钱人那样行事，这无异地以为我们能终日豪饮，但又能保持头脑清醒。美国作家史密斯.L.P.
He that will have his farm full, must keep an old cock and a young bull. 要使农家富又足，必须养鸡又养牛。
If you want your children to keep their feet on the ground, put some responsibility on their shouldres.——Joh Brnyan Btitish ssayist 你若希望你的孩子总是脚踏实地， 就要让他们负些责任。英国散文家 班扬，J.
It is easy to open a shop but hard to keep it always open. 开设店铺易，维持常开难。
Sister, you're trying to keep me alive as an old curiosity but I'm done, I'm finished, I'm going to——die.George Bernard Shaw, British playwright 姐姐，你正竭力想活得你象个老古董，但是我完了，我已经结束了，我要走了。英国剧作家 肖伯纳 G
The principal thing in this world is to keep one's soul aloft. 人生在世的首要大事是保持灵魂的高尚.
If democracy is to survive, it is the task of men of thoughts, as well as men of action, to put aside pride and prejudice; and with courage and single-minded devotion---- to find the truth and teach the truth that shall keep men free.——Franklin Roosevelt, American pesident 傲慢与偏见；他们要有勇气，有全心全意的献身精神，最重要的是要有谦虚精神，去寻求与传播那使人民永保自由的真理。美国总统 罗斯福。F.
Light troubles speak; great troubles keep silent.——Lucius Annaeus Seneneca, Ancient Roman Philosopher小困难，大声叫嚷；大困难，闷声不响。古罗马哲学家 尼加 L A
The decline of literature indicates the decline of a nation ; the two keep in their downwad tendency.——Johann Wolfgang von Goethe German poet文学的衰落表明一个民族的衰落。这两者走下坡路的时候是齐头并进的。德国诗人 歌德 J W
The decline of literature indicates the decline of a nation ; the two keep in their downward tendency.( Johan Wolfgang von Goethe , German poet )——文学的衰落表明一个民族的衰落。这两者走下坡路的时间是齐头并进的。(德国诗人 歌德 . J . W .)
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