膈肌功能障碍提示脊髓损伤的水平在
A．C3B．C5C．C7D．C4E．C6
参考答案：D
解析：膈肌功能障碍提示脊髓损伤的水平在C4。
用动词的适当形式填空.
1. My mother _____ ( clean) our house yesterday afternoon .
2. My friend _____ ( say) goodbye to me and went out.
3. —_____ ( be) your children at home last night?
—Yes, they _____.
4. —What _____ Jeff _____ (do) last night?
—He _____ (watch) TV.
5. —How _____ ( be) your last weekend?
—It _____ (be) exciting.
压力流屋面雨水排水管道其悬吊管与雨水斗出口的高差应当大于（）m。
A、0.5m
B、0.75m
C、1.0m
D、1.25m
