对可行性研究报告中投资估算精度要求一般应达到( )。A．±15%_爱下问搜题

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问题单项选择题

对可行性研究报告中投资估算精度要求一般应达到( )。

A．±15%

B．±5%

C．±20%

D．±10%

答案

参考答案：B

阅读理解

阅读理解。

	US Boy, 9, Plans to Take Balloon Flight Alone ALBUQERQUE. New Mexico - Bobby Bradley is ready. He has been training for about five years and learned from some of the most experienced and decorated pilots in the sport of ballooning.
	BENGHAZI, Libya - Muammar Gadhafi accepted an African Union (AU) plan to end the Libyan civil war but the opposite said on Monday there could be no deal unless he leaves office.
	NEW YORK - A new book written by Amy Chua on her super-strict parenting-Battle Hymn of the Tiger Mother has raised media (媒体) storm and strong arguments in the US. Amy Chua is the mother of two teenage girls. In the book she describes her efforts to give her children what she describes as a traditional, strict"Chinese" way of bringing up children.
	TOKYO - The operator of Japan's quake-hit nuclear plant (受地震袭击的核电站) said on Sunday it aims to reduce radiation leaks (辐射泄漏) in three months and achieve a "cold shutdown" in six to nine months.
	LOS ANGELES - Sunday night, the 83 annual (每年一度的) Academy Awards took place in Los Angeles. Colin Firth won the Best Actor for his role in "The King's Speech", and Natalie Port man won the Best Actress Oscar for her role in "Black Swan".

( )1. A 9-year-old American boy is ready to take a balloon flight on his own after
          training for about five years.
( )2. Gadhafi agreed to end the Libyan civil war but the opposite wouldn't accept
           it if he leaves office.
( )3. "Tiger Mother" parenting raises media storm in the US, but all people agree other traditional,
            strict "Chinese" way of bringing up children.
( )4. Japan tries to fix radiation leaks in 9 months.
( )5. Natalie won the Best Actress Oscar for her role in "The King's Speech" while Colin won
           the Best Actor for his role in "Black Swan."

单项选择题

患者，女，40岁，发现高血压4年，头晕，心悸，乏力，梦多，急躁。查体，血压175／95mmHg，心率84次／分，心界不大，A>P，眼底小动脉痉挛。尿沉渣镜检WBC0～2个。诊断应为（）

A.高血压1级

B.高血压2级

C.肾盂肾炎合并高血压

D.心脏神经症

E.临界高血压