问题
单项选择题 A1型题
切牙乳突作为排列上中切牙的参考标志，是因为（）
A.与上颌中切牙之间有较稳定的关系
B.下方是切牙孔，排牙时防止压迫此处
C.位置变化小
D.位于上颌腭中缝前端
E.是两个上中切牙的交界线
答案
参考答案：A
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切牙乳突作为排列上中切牙的参考标志，是因为（）
A.与上颌中切牙之间有较稳定的关系
B.下方是切牙孔，排牙时防止压迫此处
C.位置变化小
D.位于上颌腭中缝前端
E.是两个上中切牙的交界线
参考答案：A
I spent two months with an American family last year when I studied in America. It is said, “The best house is in America, the best wife is in Japan, and the best food is in China.” So I took pride （自豪）and __21__ to __22__ “the best food” for my American family. Each day, regardless of my poor skill of cooking, I would do something in __23__ way: changing the dishes’ colour, the meat’s type or the soup’s style. （风味）Thus, my American friends could discover the __24__ of eating Chinese food. Because of my “__25__” job, I was often rewarded （奖励） by their __26__ of appreciation （感激）such as “very delicious”, “excellent”, etc. But the joke was here: Yesterday, I cooked Sichuan style __27__ for dinner. I was __28__ at my achievement.（成就） When all the family members arrived at the table, they first looked __29__ at the fish, then looked at me. “Why do all the fish have their __30__?” they asked, “It’s terrible!” Terrible or beautiful? I don’t know. But I __31_ know that fish heads are delicious. The __32__ is the best part of fish; in __33__ only the respectable （受敬重的）guest can have the special honour of __34__ it. Another __35__ thing is: The American friends often said to me “__36__” as they __37__ fruits or other things. According to Chinese tradition I would simply smile in answer to their kindness __38__ actually helping myself to any of the food. __39__, I said “help yourself” to them whenever I brought home fruits. Dear me, no matter how much or how often I brought home food, as long as it was nice to their taste, they __40__ hesitated （犹豫）to use their hands to “help themselves” until all was finished
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