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【单选题】
常用消毒酒精的浓度为A.
30%
B.
75%
C.
95%
D.
100%
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反馈参考答案：
举一反三
【单选题】All are examples of human's tendency towards loss-aversion-risk-seeking-behavior EXCEPT for
A.
a rogue trader with massive losses makes bigger and riskier bets
B.
a lady decides to not buy health insurance because she doesn't want to pay the premium
C.
an ill patient begins an unproven treatment plan
D.
let 'winners' ride and sell the 'losers'
【单选题】正在流利的说话，但中途遇到自己平时最难发、惧怕的字词时心中紧张、呼吸紧张，说话突然受阻无法顺利进行，是口吃患者的（ ）
A.
难发性
B.
中阻性
C.
连发性
D.
无意义重音
E.
重复性
【简答题】二进制补码11011001所表示的十进制数是____。
【简答题】有符号二进制补码 11011001 所表示的十进制数为( ) D 。
【单选题】A 73-year-old man has noted a change in bowel habits for the past year. Defecation is more difficult and the caliber of stools has decreased. On physical exam, there are no abnormal findings except fo...
A.
Acquired APC gene mutation
B.
Homozygous loss of PTEN gene
C.
Inactivation of the RB1 protein by HPV-16
D.
Mutation in a DNA mismatch repair gene
E.
Tyrosine kinase activation with KIT mutation
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