高血压性脑出血最好发生部位是
A．皮质下白质B．脑桥C．小脑D．脑室E．壳核及其附近
参考答案：E
My father and my mother have been married for 30 years, and never once ______ with each other.
A．they have quarrelled
B．did they quarrel
C．had they quarrelled
D．have they quarrelled
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