患者男，70岁，因“突发胸部持续性撕裂样剧烈疼痛，伴大汗、气促、皮肤湿冷，并有腰腹部疼痛，自行含服硝酸甘油无缓解”来诊。高血压病史10余年，血压最高达200/100mmHg（1mmHg=0.133kPa）；有冠心病、心肌梗死病史。平素无不良嗜好。查体：意识清，血压200/110mmHg，口唇黏膜发绀，听诊双肺呼吸音粗，未闻及干湿啰音。心率100次/分，律齐，心音低钝，心尖部可闻及3级收缩期杂音。双下肢无水肿。未查及神经系统阳性体征。
目前首先排除的诊断为（）。
A.心肌梗死复发
B.高血压脑病
C.主动脉夹层
D.急性左侧心力衰竭
E.急性胰腺炎
F.短暂性脑缺血发作
参考答案：C
the vast majority of the local population are Muslim, Olbertz said he did not think it would. "It is a
liberal(自由的) country," he said.
The hotel has had a Christmas tree up in previous years, but this year "we have to do something
different", and the hotel's marketing team hatched the plan, said Olbertz.
1. Why is the Christmas tree said to be "the most expensive Christmas tree ever"?
A. Because the cost pf planting and decorating the tree is too high.
B. Because the tree itself has a value of more than 11 million dollars
C. Because the tree has unique religious sensibility in the United Arab Emirates.
D. Because the je
wellery hung around the tree's branches gives it a record value.
2. Which of the following is TRUE according to the passage?
A. The tree is located in the gold leaf-bedecked hall of the king's palace.
B. The tree is decorated with jewellery whose value is over 11 million dollars.
C. The tree has been an entry into the Guinness book of world records.
D. The tree is sure to be against religious sensibilities in the United Arab Emirates.
3. The underlined word "hatched" in the last paragraph probably means "___".
A. worked out
B. turned out
C. looked out
D. broke out
4. Which of the following can be the best title of the passage?
A. Christmas coming in extravagant fashion
B. The precious jewellery hung around a tree
C. The most expensive Christmas tree ever
D. the United Arab Emirates, a liberal country
e an entry into the Guinness book of world records," Olbertz said, adding that