高中英语 词汇讲解（Unit 19　Modern agriculture）人教版

　　Unit 19　Modern agriculture Warming up,Listening and Speaking

　　词汇讲解

　　三点剖析

　　1.How has agricultural produce changed during these years?

　　这几年农业产品有什么变化?

　　produce n. 产物;农产品

　　【典型例句】

　　Fresh farm produce are on sale in this shopping centre.

　　现在这家购物中心卖新鲜的农产品。

　　Industry produce are rich and cheap in most developed countries.

　　在大多数发达国家里,工业产品丰富、价格便宜。【要点归纳】

　　produce用作名词时多作集合名词用。

　　【相关链接】

　　produce用作及物或不及物动词,表示“生产,结(果实);制造,出产;出版;出示;提出;引起,导致”。例如:

　　The tree which was planted five years ago produced many apples this year.

　　五年前栽的树今年结了很多苹果。

　　In fact that writer produces very little these years.

　　实际上,那位作家近几年创作很少。

　　Produce your pass,and you will enter the great hall.

　　出示你的通行证,你就可以进入大会堂。

　　完成句子

　　(1)The farmers usually ______________(带他们的农产品) to town to sell.

　　(2)You know gas ______________(可由煤产出).

　　(3)All the parts of this kind of car ______________ (在这家工厂生产).

　　(4)As is known to all,too much money doesn’t ______________(带来幸福).

　　答案:

　　(1)bring their produce　

　　(2)can be produced from coal　

　　(3)are produced in this factory　

　　(4)produce happiness

　　选择

　　(5)__________ this kind of toys doesn’t bring in much profit.

　　A.Produce

　　B.Producing

　　C.To be produced

　　D.Having produced

　　提示:句中缺少主语,根据题意使用动名词的一般时即可。

　　答案:B

　　2.Protection of nature.

　　保护大自然。

　　protection n. 保护;防卫

　　【典型例句】

　　We should pay attention to the protection of environment.

　　我们应该注意保护环境。

　　The plants need protection against the cold.

　　这些植物需要御寒保护。

　　These children are under the protection of professionals.

　　这些孩子都由专职人员看护。

　　This hat will give protection against the sun,and it’s a good protection.

　　这顶帽子可以遮阳,是很不错的庇护物。

　　【要点归纳】

　　protection表示“保护;防御”，常与against或 from连用;“在……的保护下”可用under the protection of;表示“庇护物”多用a protection。

　　【相关链接】

　　(1)protect v.“保护,保卫”。主要短语:protect...against防御,保护……使不受伤害;protect...from保护使不受……;挡住。例如:

　　Many warships are being built,to protect our country against attack.

　　正在建造许多战舰,以保卫我们的国家。

　　He was wearing his glasses to protect his eyes from the sun.

　　他戴着眼镜,以便保护眼睛不受阳光照射。

　　(2)protect,defend 和 guard辨析

　　三者都有“保护,使安全”之意,其区别如下:

　　protect指借用某种东西作为防御、保护的工具,使人或物免受伤害;defend 指对危险或侵袭采取武力或其他手段防御,也可指为某人辩护或捍卫原则的纯洁性;guard 强调警卫,以确保人身安全。

　　选择

　　(1)Special measures have been taken to _________ the ancient building from being washed away.

　　A.forbid

　　B.protect

　　C.avoid

　　D.escape

　　提示:protect...from保护……不被……

　　答案:B

　　(2)A helmet is used to protect drivers _________ being injured in any accident.

　　A.by

　　B.with

　　C.against

　　D.in

　　提示:protect...against保护……以免……

　　答案:B

　　完成句子

　　(3)______________(对大自然的保护) is especially important.(4)______________(在老人的保护下),this kind of rare bird remained living.

　　(5)It’s pouring.They must need ______________(雨具).

　　(6)It’s the duty of a parent to ______________(保护孩子不受网络游戏的影响).

　　答案:

　　(3)The protection of nature

　　(4)Under the protection of the old man

　　(5)a protection against/from the rain

　　(6)protect their child from the effects of

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