男性，36岁，腰背痛1年，双下肢无力2个月。行脊髓腔碘油造影，造影剂在肿瘤下端造影显示，造影剂在肿瘤下端梗阻，梗阻面造影剂呈“杯口状”充盈缺损，肿瘤影偏一侧，脊髓影被肿瘤推向对侧。根据上述资料该处常见肿瘤是（）。

A.血管瘤

B.脂肪瘤

C.神经鞘瘤

D.肉瘤

E.室管膜瘤

同义句转换。

1. Did you go to the cinema last night?

    Did you go to the _____ last night?

2. He likes seeing a film very much.

    He _____ seeing a film very much.

3. I would like to take a walk now.

    I _____ _____ taking a walk now.

4. He often writes to his friends on Sunday.

    He often _____ _____ _____ his friends on Sunday.

5. The old man gave him a magic book.

    The old man gave a magic book _____ him.