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患者女，60岁，头痛半月余。既往体健。腰椎穿刺检查提示脑脊液压力增高。CT及CT灌注表现如下图。

根据CT的表现，临床拟诊为（）

A.脑血肿

B.骨瘤

C.胶质瘤

D.脑膜瘤

E.转移瘤

答案

参考答案：D

句型转换

句型转换。

1. That is a cat. (改为复数形式)

                                                               _________________________________

2. There is some water in the cup. (改为疑问句形式)

                                                                                                                                 

3. He likes going swimming. (改为否定句形式)

                                                                                                                                  

4. This sweater is mine. (改为同义句)

                                                                                                                                   

5. These boys are playing football. (对画线部分提问)

                                                                                                                                   

6. My brother is thinner than my sister. (改为同义句)

                                                                                                                                    

7. Do you like the yellow flowers? (作肯定回答)

                                                                                                                                    

8. It is a big park. (改为感叹句形式)

                                                                                                                                     

9. I usually go to school by bus. (对画线部分提问)

                                                                                                                                     

10. I get up at seven o'clock every morning, (用last Sunday代替every morning)

                                                                                                                                     
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选择题

如图，一束单色光射入一玻璃球体，入射角为60°，已知光线在玻璃球内经一次反射后，再次折射回到空气中时与入射光线平行。此玻璃的折射率为（    ）

A．

B．1.5

C．

D．2
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