15岁,男,头痛、呕吐,步态不稳,眼球震颤,性发育异常,MRI检查如图,最可能的诊断()
A.松果体钙化
B.松果体瘤
C.脑膜瘤
D.生殖细胞瘤
E.畸胎瘤
参考答案:B
词形变化。
1. Mr. Smith and his family ______ (be) in the park now.
2. Do you go _______ (fish) at the weekends?
3. There are two ________ (library) in our school.
4. On the _____ (five) floor, there are two toilets.
5. Let _____ (I) have a look.
6. Would you like _______ (go) with me?
7. What _____ she usually ______ (eat) for lunch?
8. (not look) _____ out of the classroom.
9. Who ______(have) a pet in your class?
10. My ball is blue. ______(She) is yellow.
()是我国周边安全环境的基本特征和主流
A.缓和与稳定
B.和平与发展
C.和平与稳定
D.安全与稳定