房地产估价师注册分为初始注册、续期注册、变更注册和撤销注册。 ( )
参考答案：对
1. 那时他正在努力算这道数学题。
He was trying hard to this math problem at that time.
2. 史密斯先生说话很慢以便学生们能够听清楚。
Mr. Smith speaks slowly the students can hear him clearly.
3. 今天天气很好，为什么不去散步？
It's fine today._ ____go out for a walk?
4. 你最好不要过分依赖父母，要学会照顾自己。
You'd better not too much your parents, and learn to look after yourself.
5. 对不起，刚才我错拿了你的伞。
Sorry, I took your umbrella just now.
6. 昨天你发生了什么事？
What you yesterday?
7. 乘电梯到二楼，向右拐。
the elevator the second floor and turn right.
患者，女性，45岁，右胫骨骨折内固定术后3周，气促、呼吸困难4天，伴有胸痛，无咳嗽、咳痰、咯血等症状。双肺呼吸音粗，未闻及干湿啰音，心率102次／分，律齐。辅助检查：X线胸片未见异常；肺灌注显像提示右下肺前基底段、外基底段、后基底段放射性分布稀疏；肺通气显像未见异常。该患者首选考虑的诊断是（）。
A.肺炎
B.脂肪栓塞
C.心肌梗死
D.原发性肺动脉高压
E.肺血栓栓塞症
