函数y=f(x)在点x=x0处取得极大值,则必有(  )

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(1)【◆题库问题◆】:[单选] 函数y=f(x)在点x=x0处取得极大值,则必有(  )
A.
B.
C.
D.

【◆参考答案◆】:D

(2)【◆题库问题◆】:[多选] 影响创口愈合的冈素为:(  )
A.局部血供障碍
B.局部组织缺氧
C.创口内留有异物
D.肝硬变
E.局部制动不够

【◆参考答案◆】:A,B,C,D,E

(3)【◆题库问题◆】:[单选] 在抗凝血酶中,最重要的是(  )
A.抗凝血酶Ⅰ
B.抗凝血酶Ⅱ
C.抗凝血酶Ⅲ
D.抗凝血酶Ⅳ
E.抗凝血酶ⅡⅤ

【◆参考答案◆】:C

(4)【◆题库问题◆】:[多选] 通过易化扩散的物质有(  )
A.K+
B.Na+
C.Ca2+
D.葡萄糖、氨基酸
E.ATP酶

【◆参考答案◆】:A,B,C,D

(5)【◆题库问题◆】:[单选,材料题] How would you describe Sequoyah?Sequoyahwas a young Cherokee Indian.son of a white trader and an Indian Squaw(北美印第安女人).At an early age,hebecame fascinated by“tile talking leaf”,an expressionthathe used to describe the white man’s written records.Although many believe this"talking leaf”to be a gift from tileGreat Spirit,Sequoyah refused to accept that theory.Like other Indians oftile period,he wasilliterate,but his determination to remedy tilesituation led to the inventionof a unique 86 character alphabet based on thesound patterns that he hearD.   Hisfamily and friends thought him mad,but while recuperating(恢复)from a huntingaccident.he diligently andindependently set out to create a form of communication for his ownpeople aswell as for other Indians.In l821,after twelve years of work,he hadsuccessfully de。veloped a written language that wouldenable thousands of Indians to read and writE.   Sequoyah’s desire to preserve wordsand events for later generation has caused him to be remembered among theimportant inventors.The giant redwood treesof-California,called“se-quoias(红杉)”in his honor,will further imprint his namein history. 根据以上内容,回答下面的题目。What is the mostimportant reason that Sequoyah wiU be remeIll]bered?
A.Meek(温顺的).
B.MaD.
C.BackwarD.
D.DetermineD.

【◆参考答案◆】:D

(6)【◆题库问题◆】:[单选]
A.procession
B.professor
C.mission
D.pressure

【◆参考答案◆】:B

(7)【◆题库问题◆】:[单选] I am very _______ to you for your help.
A.grateful
B.agreeable
C.pleased
D.thanks

【◆参考答案◆】:A

(8)【◆题库问题◆】:[单选] 设a={-1,1,2),b={3,0,4},则向量a在向量b上的投影为

【◆参考答案◆】:B

(9)【◆题库问题◆】:[单选] 颈静脉切迹位于(  )
A.颅底骨
B.胸骨
C.锁骨
D.颈椎
E.以上都不对

【◆参考答案◆】:B

【◆答案解析◆】:略

(10)【◆题库问题◆】:[多选] 颈外动脉发出的分支有(  )
A.面动脉
B.舌动脉
C.甲状腺下动脉
D.脑膜中动脉
E.颞浅动脉

【◆参考答案◆】:A,B,E

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