儿童室管膜瘤最常发生于()
A.第三脑室
B.侧脑室
C.第四脑室
D.导水管
E.脑室旁
参考答案:C
既能凉血止血,又能化痰止咳,生发乌发的药物是()
A.大蓟
B.藕节
C.侧柏叶
D.地榆
E.三七
()we stand away from the church bell, it takes time for the sound waves to each us.
A.If
B.Whenever
C.Because
D.Where