芯片组中起着主导作用的芯片是()。
A、南桥芯片
B、北桥芯片
C、CPU
参考答案:C
选择正确的单词填空。
1. Is (these, this) your mirror?
2. They (has, have) three trash bins.
3. Is there (a, an) air-conditioner in your room?
4. There (is, are) yellow curtains.
5. Her room is (smaller, small) and nice.
以下各项中适合外科手术的选项是().
A.脑干出血
B.丘脑出血
C.大脑深部出血
D.小脑半球出血≥10ml
E.脑梗死