Twodifferentbusinessescompeteonthesamekeyword.Richardbids4yuan,andhisqualityscoreisa4outof10.Clairebids2yuan,andherrelevanceis9outof10.Whowillwintheauction? A: Richard B: Claire

（1）（8）10=（）2 （2）（27）10=（）2 （2）（31）10=（）2 （4）（100）10=（）2

Webecamefriendsquite________accident. A: by B: in C: at D: outof

Given that an investor’s utility function is u=ln(w), he faces a gambling with an entry fee of 18 yuan: 10% probability to get 90 yuan, 90% probability to get 10 yuan, then this investor will: A: Accept this gambling and pay an entrance fee of 90 yuan B: Refused this gambling, but if the entry fee is less than 12.46 yuan, will accept this gambling C: Reject this gambling, no matter how much the entry fee is reduced D: Reject this gambling, but only accept the gambling if the entry fee drops to 5.54 yuan

A．100 yuan a night.B．150 yuan a night.C．200 yuan a night.D．250 yuan a night. A: 100 yuan a night. B: 150 yuan a night. C: 200 yuan a night. D: 250 yuan a night.

The meaning of the first Yuan in “Yuan Ming Yuan” means “Yuan Tong”. ( )

Twodifferentbusinessescompeteonthesamekeyword.Richardbids4yuan,andhisqualityscoreisa4outof10.Clairebids2yuan,andherrelevanceis9outof10.Whowillwintheauction. A: Richard B: Claire C: 缺省 D: 缺省

常用的比例大都以（）为倍数。 A: 2、5、10 B: 2、3、5 C: 2、4、5 D: 2、4、10

10/4的结果为 1 ，10//4的结果为 2

Which statement below initializes array items to contain 3 rows and 2 columns? ( ) A: int[][] items = {{2, 4}, {6, 8}, {10, 12}}; B: int[][] items = {{2, 6, 10}, {4, 8, 12}}; C: int[][] items = {2, 4}, {6, 8}, {10, 12}; D: int[][] items = {2, 6, 10}, {4, 8, 12};