问题
单项选择题
最易引起枕骨大孔疝的颅内占位性病变是()
A．蝶鞍区肿瘤
B．额顶叶肿瘤
C．颞叶脑脓肿
D．侧脑室肿瘤
E．小脑半球肿瘤
答案
参考答案：E
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最易引起枕骨大孔疝的颅内占位性病变是()
A．蝶鞍区肿瘤
B．额顶叶肿瘤
C．颞叶脑脓肿
D．侧脑室肿瘤
E．小脑半球肿瘤
参考答案：E
| 完形填空。 Little Tom loves l to stories. His mother 2 him many good stories. Tom thinks many stories always 3 an end. That's not good. One evening little Tom asked his mother to tell him a very, very 4 one, or he did not 5 to bed. So his mother began to tell him 6 this: There was a very big old 7 , and there was 8 rice m it, but there was a hole (洞) in the roof (房顶). Every day a bird went into the house and come out 9 a grain (谷粒) of rice. A minute later another bird went into it and came out with another grain of rice. Then a third bird went into it and came out with a grain of rice. Then a fourth bird.Then a fifth bird... "Stop, stop ! I 10 _ go to bed." Tom said. | ||||
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