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问题 单项选择题 A1/A2型题

患者，男，33岁，患消化性溃疡3年余。昨夜解黑便2次，糊状，并感头晕、乏力。体检：T37.2℃，P100次/分，R22次/分，BP85/65mmHg。神清，烦躁，面色苍白。估计该患者出血量约为（）。

A.250ml左右

B.500ml左右

C.1000ml左右

D.1500ml左右

E.2000ml左右

答案

参考答案：C

解析：该患者心率98次/分，血压85/65mmHg，神清、烦躁、面色苍白。上述症状和体征提示患者微循环灌注不足，但未达到休克状态。因此，估计该患者为出血量在1000ml左右。

单项选择题

葡萄胎患者临床表现不包括

A．停经12周后出现不规则 * * 出血
B．子宫异常增大
C．早孕反应较轻
D．HCG异常增高
E．卵巢黄素囊肿
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I am honored to be here today, (1) Harvard at this celebration of the College Board’s half century of working to promote (2) and equal opportunity in higher education.
Before I say anything else, I want to thank everyone in the room for the work you do every day to make college (3) , available, and (4) for millions of young people across the country.
I want to focus my remarks on a matter of (5) to American familiesand to the future of the nation -- restoring education to its proper role as a (6) to equal opportunity and (7) in our society.
This has been an (8) in higher education, with great and creative efforts made by many institutions. Earlier this year, we announced a new (9) at Harvard aimed at the students from families of low and (10) income. Under our new program, families with incomes of (11) will no longer be expected to contribute to the cost of attending Harvard for their children. Families with incomes of less than $ 60,000 will also see their (12) reduced.
We are proud of this effort at Harvard, but we are aware that the programs of individual institutions with means can never be a substitute for our shared (13) to provide adequate funding for Pell grants and other financial aid, and for the state and community college systems that make higher education (14) and affordable for the (15) .
There is something empty about (16) initiatives that may be right for one institution without attention to their broader impact. (17) , we (18) if we urge changes in national policy without doing what we can on our own campuses.
In this spirit, I want to (19) today a problem that is emerging with (20) in this nation.
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