高一英语第2册第4单元单词讲解

高一英语第2册第4单元单词讲解


2024年4月8日发(作者:)

Book2 unit4 Wildlife Protection

单词朗读与讲解

课时重难点:

【重点】respond, hunt, die out, contain, succeed, harm

【难点】die out用法, in+抽象名词

单词串讲:

一、词语辨析 (旨在提供完形填空所需材料)

1. contain / include

contain强调主语含有某种成分或装有某物。include强调主语包含的人或物是主语的一部分。所以include

常译为“包括”。including…“包括……”,是十分常见的表达形式。

【例句】(1)The list ________ his name.

(2) Beer __________ alcohol.

Keys: 1). included 2). contains

2. reserve / keep / preserve

reserve 正式用词,指为了将来的用途或其他用途而保存、保留。 keep 最常用词,指长时间牢固地

保持合伙保存。 preserve 主要指为防止损害、变质等而保存。

【例句】 (1)Will you _______ these documents for us?

(2) In summer, large crops of fruit may be ________ by freezing. 3). All the front seats are

_________ for foreign guests.

Keys: 1). keep 2).preserved 3). reserved

3. reduce / decrease

reduce 强调在“数量、大小,程度或强度”方面下降或减少。decrease 侧重强调“稳定地,逐渐地,不断

地”减少

【例句】(1)The workers _______ their wage demands.

(2) Lack of success _________ confidence.

Keys: 1). reduced 2). decreased

4. fierce / wild / violent fierce 指人或兽的凶猛残酷。 wild 既可指自然界的荒芜,未被驯化状态,又

指人的无法无天,不文明的野蛮行为。 violent 指人时侧重极为不安、异常激动,暗含有暴力行为;也

指破坏性的或不可控制的自然力量。

【例句】(1)She is afraid of his _________ looks.

(2)Who was that _________ old lady?

(3)_______ criminals like that are a danger to society.

Keys: 1). wild 2). fierce 3). violent

二、 词性变化 (旨在提供语法填空所需材料)

1. power n. 能力 powerful adj. 强有力的; 力量大的 powerfully adv. 强有力地; 力量大地

2. appreciate v. 理解并欣赏; 赏识; 高度评价 appreciation n. 欣赏; 感激 appreciative adj. 有欣赏力的;

表示赏识的; 感激的

3. succeed v. 成功; 做成; 达到目的

success n. 成功; 成就; 成名; 发财; 胜利; 达到目的

successful adj. 获得成功的; 取得成效的; 达到目的的

【例句】(1) I will do everything in my ________ to help you. (power)

(2)He is very _________ built. (power)

(3)Elephants have _________ legs. (power)

(4)She shows little or no ________ of good music. (appreciate)

(5)Your help was greatly _________. (appreciate )

(6) I'm most _________ of your generosity. (appreciate)

(7) He wasn't a ________ as a teacher. (success)

(8) If at first you don't ________, try, try again. (success)

(9)My final attempt to fix it was __________.

Keys: 1) power 2) powerfully 3) powerful 4) appreciation 5) appreciated 6) appreciative 7) success

8) succeed 9) successful

三、重点词汇 (旨在提供综合运用所需材料)

1. wild adj. 野生的, 野的, 未驯化的;无居民的, 荒凉的

【例句】1). He enjoys filming wild animals. 他喜欢拍摄野生动物。

2). We walked into a wild mountain region. be wild about sth/sb(对某事物[某人])极热心或热

【短语归纳】be wild with… 因……而发狂


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