患者，女，23岁，患风湿病4年，听诊可以闻及心包摩擦音。考虑心包腔内渗出物的主要成分

阅读短文，根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有一项为多余项。

     Late last night Jennifer Johnstone, a 19-year-old American student, had a quarrel (争吵) with her friend,

so she left her house at 2:50 in the moming and drove off. She was driving in thick fog (大雾) along a road

in Saint Pierce when she made a mistake at a comer and went off the road. 1_____ Jennifer was thrown out

of her car, and landed 18m from the sea. When she came to herself, she realized that she still had her mobile

phone. 

     2_____ So she had to make several calls before she could finally make the ambulance people, understand

her. While she was waiting for help to come she could see that the sea was coming closer every moment. She

lay there, feeling terrified, watching and waiting. Suddenly she heard the noise of a helicopter in the sky above.

     The helicopter took about half an hour to see exactly where Jennifer was. 3_____ By the time the helicopter

took off,the wayes were just about one metre away. 4_____ "It was so lucky that I had my mobile phone with

me," she said to joumalists, "because if I hadn't been able to phone for help,I would surely have died."

A. At last, she was sent to the nearest hospital where she is now recovering.

B. Her car fell over a 160m cliff (悬崖).

C. But in the end it managed to reach her.

D. She dialed 999, but she did not have a clear mind.

E. Jennifer couldn't move because she was badly hurt.

我国经济社会发展较快，但自主创新能力较弱，许多领域的核心技术和关键设备长期依赖进口。这告诉我们 [ ]

A．我国拥有巨大的人力资源优势

B．我国已步入创新型国家行列

C．我国的国际地位不断提高

D．我国既有发展的机遇，也面临严峻的挑战

《商业银行房地产贷款风险管理指引》明确，商业银行对资本金没有到位或资本金严重不足、经营管理不规范的借款人不得发放（）。

内部收益率是考察投资项目盈利能力的主要指标。对于具有常规现金流量的投资项目，下列关于其内部收益率的表述，正确的是( )。

A．利用内插法求得的内部收益率近似解要大于该指标的精确解
B．内部收益率受项目初始投资规模和项目计算期内各年净收益大小的影响
C．内部收益率是使投资方案在计算期内各年净现金流量累计为零时的折现率
D．内部收益率反映项目自身的盈利能力，它是项目初期投资的收益率

下列有关工控机反复重启的原因表述错误的是（）

A.远程管理机背面的主机信号的电缆接触不良

B.工控机的CPU风扇停转，CPU温度过高系统自动关闭后又由远程管理机重启

C.IPC软件不能正常启动，无心跳信号发出

D.电源箱电源不稳定