题目

You may know the English letters A,B and C, but do you know there are people called ABC? You may like eating bananas. But do you know there is such a thing as “banana person”? How strange! Are these people from “another earth”? No, they are just Chinese people like you and me.ABC means American-born Chinese. An ABC is a Chinese, but was born in the United States. Sometimes, people call an ABC a “banana person”. A banana is yellow outside and white inside. So, when a person is a banana, he or she is white inside thinking like a westerner and yellow outside looking like a Chinese. Do暑假，小雨和妈妈从沈阳去西藏旅游．返程那天，小雨将已喝了半瓶的矿泉水瓶盖儿拧紧，然后放到旅行箱中带上火车．回到家，小雨惊奇地发现塑料矿泉水瓶变瘪了，这是因为西藏地区比沈阳地区的大气压    （填“高”或“低”）．