自考英语（一）讲义(19)
Unit 19Text AAnimals at Risk： Who Cares？
搭配：
1. Keep pace with 跟上步伐
2. Compete with 与谁竞争
3. Threat to sb./sth. 对某人或某事构成威胁
4. Be claim to be 声称
5. Be concerned about 对什么感到很担心
6. Look after 照顾
7. Be armed with 装备
语言点：
1. An animal species becomes（虽然species是以s结尾，但此处该词跟在冠次an后，还是单数，所以谓语become用了单数） extinct when it fails to produce enough young in each generation to keep pace with the death rate.
2. Better-adapted 更能适应环境的
3. A number of examples can be given of the way in which（定于从句之所以用in which，是因为in the way表示以某种方式） natural environments are being rapidly changed.
4. Likelihood 可能性
5. Because表示因为是连词，后面应该接句子；because of 表示因为是介词短语，后加名词或代词。
6. Provided（that）+从句，表示如果
7. There is great pleasure in watching wildlife in natural or near-natural environments.
Text BThe killer Smogs
搭配：
1. Be filled with 充满
2. Be caused by 由什么引起的
3. Turn into 转变成
4. Combine sth./sb. with把什么结合在一起
5. Be blown away 被吹走
6. Be due to sb./sth./doing sth. 因为
7. Breath in 呼进
语言点：
1. Fog（n.雾）-foggy（adj.雾的）
2. The first reported event 第一个被报道的事
3. Older people with lung or heart diseases were hit（受害最重/受打击最重） hardest.
4. Deadly 致命的
5. Bad的最高级worst
6. The polluted air 被污染的空气
7. Affect（v.影响）
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