设f(x)=x²＋iy²，则f(1＋i)=3。()

判断题曲线y=f(x)在点(x0,f(x0))有拐点，且f''(x0)存在，则f''(x0)=1。()

判断题ATP即是能量供体也是能量受体，是能量代谢的媒介。()

判断题曲线y=2x²－lnx总是凹的。()

单项选择题Some of the notebooks that George Washington kept are still（）.

A.exist
B.exists
C.existing
D.in

单项选择题They suffered huge losses in the financial（）.

A.critical
B.critics
C.criticize
D.crisis

单项选择题The police（）us not to go out at night.

A.worn
B.wore
C.warm
D.warned

单项选择题The company hired a detective to（）the accident.

A.indicate
B.imitates
C.investigate
D.interview

单项选择题Happiness doesn’t necessarily（）money.

A.go for
B.go with
C.go over
D.go by

填空题The report says that 78 percent of American women （） trying hard to lose weight。

单项选择题Two of them are here.but where are（）students。

A.the other
B.other
C.others
D.another

判断题An unqualified opinion would entail that the company’s financial statements have some deviation from Generally Accepted Accounting Principles （GAAPs）.

判断题A special indorsement does not specify to whom the indorser intends the instrument to be payable.

判断题The ULPA contains provisions for the formation，operation，and dissolution of limited partnerships

判断题A person who was legally insane at the time of entering a contract is relieved of his or her duties from the contract.

填空题By 2002， the corporation was making a loss, for prices had fallen （） as advanced economies underwent a profound transition.（catastrophe）