一个四位数aabb为平方数,则a+b的值为( ) A.11 B.10 C.9

题型:选择题

问题:

一个四位数aabb为平方数,则a+b的值为(  )


A.11

B.10

C.9

D.8

考点:数学常识
题型:选择题

白血病的发生是()。

A.多能造血干细胞凋亡的结果

B.多能造血干细胞去分化的结果

C.多能造血干细胞未分化的结果

D.多能造血干细胞在发育分化的某一阶段受阻的结果

E.多能造血干细胞周期阻滞的结果

题型:选择题

实验室可以使用如右图所示装置制取的气体,且药品选用也正确的是k*

A.O2:二氧化锰和双氧水

B.SO2:亚硫酸钠和稀硫酸

C.CO2:大理石和稀硫酸

D.H2S:硫化亚铁和稀硫酸

题型:选择题

明代,与灵峰、孤山并列为杭州三大赏梅胜地的是()。

A.超山

B.西溪

C.留下

题型:选择题

Part 4


Questions 26-45


·Read the following article and choose the best word for each space.
·For questions 26-45, mark one letter A, B, C or D on the Answer Sheet.

iPhone Left in Hot Car for Three Hours


The normally peaceful suburban town of Winnetka is still reeling following the news Monday (26) a local resident, whose name is being (27) by police pending a full investigation, left an iPhone unattended for more than three hours in a car (28) in the hot sun.
"Responding to calls from (29) . passersby, who observed the iPhone sitting in a vehicle in the parking (30) of the Westfield Shopping Center, police arrived on the (31) at approximately 4 p.m. and immediately intervened to save the device," said Winnetka police chief Douglas Blaine. "Security cameras have shown that the iPhone had been in the car— with the doors (32) and the windows rolled (33) —since 1 p.m. Due to the tragic and highly emotional (34) of this case, we cannot say any (35) at this time."

A. smashed B. climbed C. broke D. crashed

According to official police records, two officers forcibly (36) into the car at 4:07 p.m. and found the iPhone (37) face down on the dashboard. The iPhone at first showed no (38) of life, but after a tense few seconds, officers were able to wake it and get it to (39) to a series of simple touch commands. Police said that if the iPhone were left in the extreme (40) for any longer, it could have died.
The iPhone was rushed by ambulance to a nearby Apple facility for careful (41) .Miraculously, no damage to its memory, screen, or wireless capabilities was reported.
Upper-middle-class suburbanites from all over the North Shore area have reacted to the near-tragedy with an unprecedented outpouring of (42) . Hundreds of cards and letters have come streaming in, and local talk radio shows have been flooded (43) calls demanding that the iPhone’s (44) be prosecuted. Many have come forward offering to take the iPhone into their custody, and still (45) have donated free downloads, ringtones, and MP3s to the victimized object.

题型:选择题

下列哪种咨询是解决读者在查找文献过程中,因不熟悉检索方法而遇到的困难。()

A.辅导性咨询

B.向导性咨询

C.方法性咨询

D.专题性咨询

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