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全新版大学英语综合教程课后答案
李荫华大学英语综合教程综合教程2_大学教材课后答案网
Unit 4
四、练习答案
1) to look for survivors were abandoned after it had been / was determined that all the people inthe sunken ship had died
2 ) was amazed that Bob left a well-paid job to travel around the world
3) for a loan has been turned down by many a bank as her business is small and she could provideno guarantee
4) express her thoughts with precision, so people often misunderstand her
5) will weaken our determination to modernize our country in the shortest possible time
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四、练习答案
2.
1 ) amazed
amazes
3 ) amazingly
4) amazing
5) amazement
全新版大学英语三李荫华_好的课后答案网站
Unit 7二、课文精解
7.If life is about survival of a species—and intelligence is meant to serve that survival—then wecan't compare with pea-brained sea turtles，which were here long before us and survived thedisaster that wiped out the dinosaurs.如果生命关乎物种的生存——而智能是为生存服务——那么我们根本无法与大脑只有豌豆大小的海龟相提并论，海龟早在人类出现之前很久便已存在，并经历了使恐龙灭绝的重大灾难而生存下来。
句中if记|导的是条件状语从句。
在if引导的条件状语从句中，如果从句谈论的是一个有可能发生的事实及其产生的相关的结果，主句用一般将来时态，从句用一般现在时态。
例: We can walk there if we can't find a bus.
If it rains tomorrow, we will not go to the zoo.
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