练习材料：
补
[Day 1713 2019-06-04]
Lesson 2-2 Spare that spider不要伤害蜘蛛
How many spiders are engaged in this work on our behalf? One authority on spiders made a census of the spiders in a grass field in the south of England, and he estimated that there were more than 2,250,000 in one acre; that is something like 6,000,000 spiders of different kinds on a football pitch．Spiders are busy for at least half the year in killing insects．It is impossible to make more than the wildest guess at how many they kill, but they are hungry creatures, not content with only three meals a day．It has been estimated that the weight of all the insects destroyed by spiders in Britain in one year would be greater than the total weight of all the human beings in the country.
卖萌的ScalersTalk第四轮新概念朗读持续力训练Day212 20190605
朗读时间：52s/51s
[Day 1714 2019-06-05]
Lesson 3-1 Matterhorn man马特霍恩山区人
Modern alpinists try to climb mountains by a route which will give them good sport, and the more difficult it is, the more highly it is regarded．In the pioneering days, however, this was not the case at all．The early climbers were looking for the easiest way to the top, because the summit was the prize they sought, especially if it had never been attained before．It is true that during their explorations they often faced difficulties and dangers of the most perilous nature, equipped in a manner which would make a modern climber shudder at the thought, but they did not go out of their way to court such excitement．They had a single aim, a solitary goal---the top!
卖萌的ScalersTalk第四轮新概念朗读持续力训练Day212 20190605
朗读时间：50s/49s
任务配置： L0+L4
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