女性患者，60岁，心房纤颤史5年，彩超提示房间隔占位，CT示房间_爱下问搜题

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问题单项选择题

女性患者，60岁，心房纤颤史5年，彩超提示房间隔占位，CT示房间隔见一椭圆形低密度影，CT值约为一300HU，边缘清楚，首先考虑为()

A．血栓

B．淀粉样变

C．脂肪瘤

D．房间隔缺损

E．心脏转移瘤

答案

参考答案：C

阅读理解

Airline	Flight number	Destination	Departure time	Gate
Air Canada	137	Beijing	10.12a.m.	24
Japan Airlines	320	Tokyo	10.30a.m.	18
British Airways	405	Paris	11.00a.m.	20
Pan American	226	London	11.20a.m.	12
Pan American	12	Beijing	11.43a.m.	15
Air Canada	178	Tokyo	12.32p.m.	21
CAAC	289	Hong Kong	12.32p.m.	14

小题1:If you want to fly to Paris, you should take________.

小题2:Flight 289 to Hong Kong leaves at_______.

小题3:A lady wants to take Flight 12 to Beijing, she should go to Gate________.

小题4:Flight 226 to London is from _________.

A．Pan American

B．Japan Airlines

小题5:A man is at Gate 18. He’s going to________.

问答题简答题

植物性天然香料的生产有几种方法？各有什么特点，举例说明玫瑰油的生产工艺。