C.It will fight against the power of the gut.
D.It will stick to the gut for one or two days.
答案:B 细节理解题。根据文章第三段最后两句“After all, we eat lots of things that we are unable to fully digest. They keep moving... come out at the other end one or two days later.”可知,答案B符合文义。
3.The word It (in the 4th paragraph) refers to
________.
A.The attempt
B.The salvia
C.The shell
D.The gum base
答案:B 指代判断题。根据对文章第四段前两句的理解可知,此处的It是指第四段第一句中的The saliva(唾液),故答案B符合文义。
4.What would be the best title for text?
A.How does our digestive system work?
B.Can chewing gum be swallowed by kids?
C.Does swallowing chewing gum matter?
D.Why swallowing chewing gum frightens kids?
答案:C 标题概括题。文章第一段由一个使小孩子害怕的说法导入话题,下文是对口香糖进入肚子后会怎样的一个科学解释,由此可推知,选项C“误食口香糖要紧吗”最适合作为文章标题。
社会文化(阅读理解)由 (2017东北三校高三一模)More than 20 Chinese and American experts discovered that young people of both countries are facing the same problems of economic and social pressures and lack of confidence.
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