眶壁骨折时，CT检查可出现哪些征象（） A.眶壁骨质断裂 B.断裂_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

眶壁骨折时，CT检查可出现哪些征象（）

A.眶壁骨质断裂

B.断裂骨壁向筛窦或上颌窦移位

C.筛窦积血

D.上颌窦腔内出现"泪滴征"

E.以上都对

答案

参考答案：E

选择题

下列4个命题：
（1）若a＜b，则am²＜bm²；
（2）“a≤2”是“对任意的实数x，|x+1|+|x-1|≥a成立”的充要条件；
（3）命题“∃x∈R，x²-x＞0”的否定是：“∀x∈R，x²-x＜0”；
（4）函数f(x)=

的值域为[-1，1]．
其中正确的命题个数是（　　）

填空题

用方框里适当的单词完成句子。

famous, success, favorite, actor, movie, in a word, fun, action movie, romance

1.Yao Ming is a _____ basketball star all over the world. He is my _____ star.
2. —What kind of _____ do you like?
   —Titanic.
   —Is it an _____ _____?
   —No, it's a _____.
3. Jackie Chan is really a popular _____. Many people,old and young like him very much.
4. I want to be a teacher in the future.I can make a great _____ in teaching.
5. _____ _____ _____, I want to help the students who can't go to school.