标志着欧洲殖民者入侵和奴役非洲长达500年历史结束的事件是： [ ]
A、非洲独立年
B、埃及独立
C、纳米比亚独立
D、阿尔及利亚独立
答案：C
用所给词的适当形式填空
1. My sister always_______(learn) language very quickly, but she isn't able to learm Greek.
2. When our teacher______( come) into the room, we were talking.
3. I ________ ( be ) sixteen years old next year.
4. Jim and Kate______( marry) for 10 years.
5. The American friends_______( visit ) Beijing last spring.
6. By ten o'clock yesterday evening, they______( watch)TV for 12 hours.
7. Our teacher hoped that we______(succeed) some day .
8. The students _______( make) great progress in their spoken and writing English in the
last two months.
9. My friend______( work) here since he graduated fromthe college.
10. Lily told me not to give up ______ ( study) English.
脑积水常见外科治疗方法的目的（）
A.减少脑脊液分泌
B.增加蛛网膜下腔对脑脊液的吸收
C.使脑脊液分流到较易吸收的区域
D.解除颅骨的限制
E.以上都不对
