indigestible. It's then down to our stomach muscles—which contract and relax, much like the

　　way an earthworm moves—to slowly force the things that we swallow through our systems.

　　Swallowing a huge piece of gum or swallowing many small pieces of gum in a short time can

　　cause a blockage within the digestive system, most often in children, who have a thinner digestive

　　tube than adults—but this is extremely rare.

　　文章大意：本文为一篇科普类说明文。误食口香糖是不是像大人吓小孩子那样可怕呢？本文对此进行了分析。

　　1．Children might feel terrified after swallowing chewing gum mainly because ________.

　　A．they believe the tall tales about chewing gum

　　B．chewing gum will stay in their body for years

　　C．their heart will be wrapped by chewing gum

　　D．chewing gum is indigestible for children

　　答案：A　细节理解题。根据文章第一段第一句“It is a tall tale that terrifies most young children.”以及对第二、三句话的理解可知，答案A符合文义。B、C两项只是分别说明了tall tale的内容，故排除。

　　2．What happens to the food that can't be fully broken down?

　　A．It remains in our digestive system forever.

　　B．It will be eventually moved out of our body.

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