18.A 根据空后的“this is not enough to solve our problem”可知,空前后为转折关系。
19.D 根据空前的“Maybe there is another way out.”可知,我们需要修理我们的物品,而不是扔掉它们。
20.A 根据下文可知,我们也要再次考虑我们的消费态度。
二、七选五阅读填空(共5小题;每小题2分,满分10分)
Learn to think
“I will think of it.” It is easy to say this. 1 We can not see our thoughts,or hear,or taste,or feel them;and yet what mighty power they have!
Sir Isaac Newton was seated in his garden on a summer’s evening,when he saw an apple fall from a tree. 2 Later,he discovered how the earth,sun,moon,and stars were kept in their places.
3 He began to think;he wanted to find out why the steam in the kettle moved the heavy lid.From that time he went on thinking and thinking.When he became a man,he improved the steam engine so much that it could,with the greatest ease,do the work of many horses. 4
A man named Galileo was once standing in the cathedral of Pisa,when he saw a chandelier swaying to and fro.This set him thinking,and it led to the invention of the pendulum.
Boys,when you have a difficult lesson to learn,don’t feel discouraged,and help yourselves before asking someone to help you. 5
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