胶片的固有不清晰度会随（）的增大而增大。A.射线能量 B.射线强度 C.增感屏粒度

命题“若a=-1，则a²=1”的否命题是______．

Everyone should learn something about first aid, because every second ____ in an emergency. [ ]

A. urges

B. costs

C. needs

D. counts

An analyst gathered the following information for a U.S. company whose common stock is currently priced at $ 40 per share:

A．

B．2000

C．2001

D．2002

E．2003

F．2004

G．Eamings per share

H．1.13

I．0.67

J．1.33

K．1.50

L．(1.30)

M．Book value per share

N．8.48

O．8.91

P．15.75

Q．18.37

R．17.65

S．Return on equity

T．14%

U．7%

V．7%

W．8%

X．8%

间谍罪

在规划计划信息管理应用平台投资统计模块中，已上报的报表底色标识为（）

A.黑色

B.红色

C.咖啡色

D.绿色