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【单选题】
关于盐酸的作用,下列哪项不正确?( )A.
激活胃蛋白酶原
B.
可促使食物中的蛋白质变性,易于消化
C.
可以促进胰液、胆汁和小肠液的分泌
D.
造成的酸性环境,有利于维生素B12的吸收
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皮皮学刷刷变学霸
举一反三
【单选题】Which information about Go can NOT be inferred from the passage?
A.
On the board there is a grid with 361 intersections.
B.
The goal of the game is to defend one's territory.
C.
Playing Go involves more calculation than playing chess.
D.
Playing Go involves intuition.
【简答题】设A为2阶矩阵，且|A|=3，求|3A2|，|A-1|，|A*|，||A|A|，
【简答题】2B3(130) 的意义?
【简答题】计算：（2b 3 ） 2 =______．
【简答题】3 a 2 ?(- 2 3 a 3 ) ．
【单选题】According to the passage, if you want to swim, you can______.
A.
go to Cabos San Lucas
B.
go to San Jose, Los Cabos
C.
take a walk along the water at night
D.
walk into the town
【单选题】According to the passage, on weekends some people always
A.
go to bed late
B.
go to bed early
C.
get up late
D.
get up early
【简答题】According to the passage, a good student in college must__________． [A] go to every class, no matter how he or she feels [B] go to class unless there is a good reason not to [C] stay in the dormitory ...
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