脐带脱垂应采取的护理措施不包括( )
A. 吸氧
B. 胎心监测
C. 卧床休息，抬高臀部
D. 人工破膜
E. 做好剖宫产的术前准嵛
The passage is mainly about ______.
A. an approach to patents
B. the application for patents
C. the use of patents
D. the access to patents
Georges Valensi's patent lasted until 1971 because ______.
A. nobody would offer any reward for his, patent prior to that time
B. his patent could not be put to use for an unusually long time
C. there were not enough TV stations to provide color programmes
D. The color TV receiver was not available until that time
弥漫性肝实质病变简便实用的影像学检查方法是
A. 磁共振(MRI)
B. 选择性肝动脉造影
C. 超声
D. CT
E. 单光子发射型计算机断层仪(SPECT)
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