问题
单项选择题 A1型题
鼻腔鼻窦恶性肿瘤中最常见的是（）。
A.外鼻癌
B.鼻腔癌
C.上颌窦癌
D.蝶窦癌
E.额窦癌
答案
参考答案：B
解析：鼻腔鼻窦恶性肿瘤以鼻腔癌最多见，上颌窦癌次之，其分布为：外鼻癌4%～10%，鼻腔癌47.9%～55.3%，上颌窦癌34.1%～40.3%，筛窦癌4%～4.4%，蝶窦癌0.4%～2%，额窦癌1.2%。
搜题请搜索小程序“爱下问搜题”
鼻腔鼻窦恶性肿瘤中最常见的是（）。
A.外鼻癌
B.鼻腔癌
C.上颌窦癌
D.蝶窦癌
E.额窦癌
参考答案：B
解析：鼻腔鼻窦恶性肿瘤以鼻腔癌最多见，上颌窦癌次之，其分布为：外鼻癌4%～10%，鼻腔癌47.9%～55.3%，上颌窦癌34.1%～40.3%，筛窦癌4%～4.4%，蝶窦癌0.4%～2%，额窦癌1.2%。
| 阅读理解。 | |
| Americans spend their weekends in different ways. But usually they choose the same aim(目的)—to rest, to enjoy beautiful places and to enjoy the time with their family and friends． Some Americans hold parties on Saturday night. 1._____Then they won't get up until 9,10 or even 11: o'clock next morning．As soon as they get up they will go to the nearest corner shop to buy the daily newspaper(日报).2._____It will help them to decide what to do on Sunday afternoon. Before going out on Sunday, they will have a meal, which is called "brunch"—"br" from "breakfast" and " unch" from "lunch3._____After brunch some Americans may have a picnic with their family or friends. They will take many things with them, such as fresh vegetables, sea food,drinks,table cloth(桌布)and so on. Usually they drive to a beautiful park, a lake or the seaside. 4._____It is the biggest meal of the week and all family members try to present(出席).Weekends are to be welcome everywhere.5_____. | |
| 根据短文内容，将其方框中的五个句子还原到短文中： | |
|