3.According to the inventors,shrilk has great potential partly because ________.
A.it can help plastic degrade
B.it can be found in living things
C.its mass production has been realized
D.its raw materials are abundant in nature
答案 D
解析 细节理解题。根据第四段第二句“Materials from which it is made are plentiful in nature...”可以看出,新材料的发明者之所以说这种材料很有潜力,主要是因为制作它的原材料在自然界中很容易找到,有大量的原材料可供使用。
4.What are the inventors doing in the lab?
A.Replacing carbon fibers with shrilk.
B.Testing shrilk’s use in wet conditions.
C.Making shrilk out of used household goods.
D.Improving shrilk’s flexibility for medical purposes.
答案 B
解析 细节理解题。根据最后一段第二句“...they’re exploring ways to use it in wet environments.”可知,现在研究者正在实验室对该种材料在潮湿环境下的应用进行探索和研究。
5.Which of the following can be the best title for the passage?
A.Recent Progress in Environmental Protection
B.Benefits of Insects in Scientific Research
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