内容正文:
UNIT 5 A delicate world
一、必记词汇
(一)简易词汇
1.chaos n.大混乱;紊乱
2.virus n.病毒
3.trap n.夹子,陷阱
4.vast adj.巨大的;广大的
5.floral adj.花的
6.ecology n.生态
7.owe v.应该做;对……负有……的义务
(二)重难词汇
1.appetite n.胃口,食欲
2.conservation n.保护
3.collapse v.倒坍;塌下
4.endangered adj.濒临灭绝的
5.elsewhere adv.在别处
6.criterion n.(pl.criteria)标准,准则
7.session n.一段时间
(三)拓展词汇
1.subsequent adj.后来的;随后的→subsequently adv.后来,随后
2.drama n.戏剧→dramatic adj.戏剧性的→dramatically adv.显著地
3.habitat n.(动物或植物的)生活环境;栖息地→inhabit v.居住在→inhabitant n.栖居的动物
4.multiple adj.数量多的;多种多样的→multiply v.(使)大大增加,(使)倍增;繁殖
5.vegetable n.蔬菜→vegetation n.植物,草木(总称)→vegetarian n.素食主义者
6.decrease v.(使)变小,(使)减少→increase v.增加
7.depart v.离开,启程→departure n.离开
8.explode v.突然增加→explosion n.激增;爆炸
9.substance n.物质→substantial adj.大量的,多的
10.intervene v.干预,介入→intervention n.干预,干涉
11.nutrient n.养分,营养物→nutrition n.营养→nutritious adj.营养丰富的
12.compare v.比较→comparison n.比较
13.visual adj.视觉的→vision n.视力;视野→visible adj.看得见的→invisible adj.看不见的
14.herb n.香草;药草→herbal adj.用香(药)草制成的
15.rare adj.稀有的,罕见的→rarely adv.很少
16.biology n.生物学→biological adj.生物的,与生物有关的→biologist n.生物学家
17.apparent adj.显然的→apparently adv.据说;看来,似乎
18.vary v.变化,使多样化→variation n.差异;变化→various adj.各种各样的→varied adj.不相同的→variety n.种类;多样性
19.secure adj.稳固的;安全的→security n.安全工作;担保;保证
二、重点短语
1.与……和谐相处 in harmony with
2.占领;接管 take over
3.依次;反过来 in turn
4.灭绝 die out
5.代表 on behalf of
6.成功;到达 make it
7.以……命名 name after
8.导致 result in
9.各种各样的 a wide variety of
10.失去控制 out of control
11.想出,提出 come up with
12.彻底地,一劳永逸地 once and for all
13.参与,参加 participate in
14.被认为是…… be regarded as
15.多亏;由于 thanks to
16.作为回报 in return
三、重点句式
1.句型:现在分词(短语)作结果状语
The green grass and bare rock of its landscape contrast dramatically,giving it a wild and natural beauty.
绿草和光秃秃的岩石形成的景观反差巨大,使海岛呈现出一种野性和自然的美。
2.句型:否定副词置于句首的部分倒装
Nor would they fail to imagine how its native inhabitants ...existed in perfect harmony with their natural habitat for thousands of years.
他们也不会想象不出,数千年来……当地动物是如何与其自然栖息地完美地和谐共存的。
3.句型:as引导非限制性定语从句,意为“正如”
But as the saying goes,“While the cat's away,the mice will play.”
但正如俗语所说:“山中无老虎,猴子称大王。”
4.句型:“介词+关系代词”引导定语从句
Is it the legendary father of Chinese herbal medicine,Shennong,after whom the park is named?
还是因为它以传说中的中草药之父神农的名字命名?
5.句型:过去分词短语作定语
UNESCO awarded Shennongjia this status because it meets two criteria required by the list.
联合国教科文组织授予神农架这一地位是因为它符合名录要求的两项标准。
6.句型:what和that引导名词性从句
What is special about the honey is that it is produced by the earliest species of Chinese bee.
这种蜂蜜的独特之处在于它是由最古老的一种中华蜜蜂产的。
7.句型:状语从句的省略
Although endangered elsewhere in China due to the invasion of foreign species,the bees of Shennongjia have coexisted with the local people for centuries.
虽然由于外来物种入侵,这种蜜蜂在中国的其他地区濒临灭绝,但在神农架,这种蜜蜂和当地人已经共存了几个世纪。
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