颌面部损伤出现脑脊液漏时，对下列哪一项颅脑损伤具有诊断意义
A．脑震荡
B．硬脑膜外血肿
C．颅中窝骨折
D．脑挫裂伤
E．颅前窝骨折
参考答案：C
— We’ll visit the Summer Palace_______ there is a heavy rain tomorrow.
— OK! Boating on the lake must be great fun.
A．unless
B．since
C．as soon as
D．if
A good husband must know how to ____ his ideas to his wife.
A．contribute
B．consult
C．comfort
D．convey
