胃酸的作用有(  )

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(1)【◆题库问题◆】:[多选] 胃酸的作用有(  )
A.激活胃蛋白酶
B.为胃蛋白酶提供酸性环境
C.杀死食物中的细菌
D.使脂肪易于分解
E.有利于脂溶性维生素的吸收

【◆参考答案◆】:A,B,C

【◆答案解析◆】:略

(2)【◆题库问题◆】:[单选,材料题] _________根据以下内容,回答下面的题目。Insure means to protect _51_ a loss of money.Most people can budget their money so that their income will cover expected expenses _52_ food, clothing, housing, and public services.But, there is no way to know _53_ who will suffer a crisis (危机) such as a serious illness, fire, flood, or a car accident.Such crises usually _54_ great expensE.Even if people could predict crises, it would be hard to save enough money to _55_ the expenses.Insurance is a system _56_ a company collects money from many individuals and then pays certain expenses whenever one of those insured individuals is faced with a certain crisis.An insurance policy _57_ how much the insurance costs and how much the company will pay when a policy holder is faced with a certain crisis.There are many different kinds of insurance, _58_ hospital, motor-car and firE.Insurance can be rather expensive but most people buy insurance of some kinD.Insurance is something _59_ people buy and hope they will _60_ neeD._________
A.that
B.by which
C.what
D.where

【◆参考答案◆】:B

(3)【◆题库问题◆】:[多选] 胃酸的作用有(  )
A.激活胃蛋白酶原
B.为胃蛋白酶提供酸性环境
C.杀死食物中的细菌
D.使脂肪易于分解
E.有利于脂溶性维生素的吸收

【◆参考答案◆】:A,B,C

【◆答案解析◆】:略

(4)【◆题库问题◆】:[多选] 关于胆囊收缩素(  )
A.抑制胰酶的分泌
B.抑制胃液的分泌
C.小肠上部I细胞分泌
D.促进胆囊的收缩
E.引起奥迪括约肌收缩

【◆参考答案◆】:C,D

(5)【◆题库问题◆】:[单选] 春节时,14岁的甲用自己的压岁钱在某商场购买了价值2000多元的电动玩具,则 (  )
A.甲的行为当然发生效力
B.甲的行为经其法定代理人追认后方发生效力
C.商场有权催告甲的法定代理人在合同期限内作出追认
D.如果甲的法定代理人未在合理期限内作出拒绝追让的意思表示,则视为默认

【◆参考答案◆】:A

(6)【◆题库问题◆】:[单选] 对尺神经的描述,错误的是(  )
A.分布于前臂大部分屈肌
B.损伤后拇指不能内收
C.发自臂丛内侧束
D.损伤后屈腕力量减弱
E.行程中经过尺神经沟

【◆参考答案◆】:A

(7)【◆题库问题◆】:[单选] Not only the switches but also the old wiring ________ changeD.
A.have
B.are
C.have been
D.has been

【◆参考答案◆】:D

【◆答案解析◆】:遇到not only...but also的句型时,谓语动词的单复数与靠近它的名词一致。Old wiring是单数,谓语动词为单数。选项D是正确的。句子大意:不光是开关,就连旧的线也换了。

(8)【◆题库问题◆】:[单选] 点M(4,-3,5)到Ox轴的距离d=

【◆参考答案◆】:B

(9)【◆题库问题◆】:[单选]1950年6月毛泽东在七届三中全会上作的重要讲话是
A.《不要四面出击》
B.《关于党在过渡时期的总路线》
C.《关于正确处理人民内部矛盾的问题》
D.《论十大关系》

【◆参考答案◆】:A

(10)【◆题库问题◆】:[多选] 甲状旁腺激素的作用有(  )
A.动员骨钙入血
B.促进肾小管对钙和磷的重吸收
C.促进维生素D3的活化
D.抑制破骨细胞增生
E.加强破骨细胞的溶骨作用

【◆参考答案◆】:A,C,E

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