垂体肿瘤经蝶窦显微镜下手术可以取得满意的效果。()
参考答案：对
The battle lasted for a few hours and at last the enemy ________.
A．was defeated
B．were beat
C．were won
D．defeated
甲醇洗单元导致甲醇损失的地方有哪些？
