当血流通过下列哪一部位时,血压的降落最大(  )

  • A+
(1)【◆题库问题◆】:[单选] 当血流通过下列哪一部位时,血压的降落最大(  )
A.主动脉大动脉
B.小动脉和微动脉
C.毛细血管
D.微静脉和小静脉
E.大静脉和腔静脉

【◆参考答案◆】:B

(2)【◆题库问题◆】:[单选] 视神经乳头(  )
A.为感光敏锐处
B.视网膜中央动脉穿过
C.位于黄斑的颞侧
D.由感光细胞聚集而成
E.以上都不是

【◆参考答案◆】:B

(3)【◆题库问题◆】:[单选]新中国成立初期,国内的主要矛盾是
A.帝国主义和中华民族之间的矛盾
B.工人阶级和资产阶级之间的矛盾
C.封建主义和民主主义之间的矛盾
D.生产力和生产关系之间的矛盾

【◆参考答案◆】:C

(4)【◆题库问题◆】:[单选] 下列关于债权的说法,不正确的是 (  )
A.债权是对人权
B.债权具有排他性
C.债权具有平等性
D.债权具有相容性

【◆参考答案◆】:B

(5)【◆题库问题◆】:[单选] Grammarbooks here _______ well.
A.are sold
B.sell
C.sells
D.have beensold

【◆参考答案◆】:B

(6)【◆题库问题◆】:[单选] 以下合同中,债权人不能在债务人履行债务时依法享有留置权的是(  )
A.保管合同
B.运输合同
C.承揽合同
D.租赁合同

【◆参考答案◆】:B

(7)【◆题库问题◆】:[多选] 参与排尿的神经有(  )
A.迷走神经
B.盆神经
C.腹下神经
D.阴部神经
E.膈神经

【◆参考答案◆】:B,C,D,E

(8)【◆题库问题◆】:[单选] It is a small country, yet has a lot of________resources.
A.potential
B.unknown
C.secret
D.unlimited

【◆参考答案◆】:A

【◆答案解析◆】:Potential潜在的,unknown不可知的,secret秘密的,unlimited无限制的。根据题干,选项A是正确的。【句子大意】这个国家很小,但它潜在的能源却很丰富。

(9)【◆题库问题◆】:[单选,材料题] __________根据以下内容,回答下面的题目。The death of a child, _51_ one’s own child,is something the mind can hardly comprehenD.It seems togo _52_ naturE.The end of a life that is still forming_53_ has just begun is an almost unthinkable cruelty.But it happens.Parents sometimes must witness the illness and death of the children_54_ whom they gave birth.And _55_ will ever fill theempty place that the dead child leaves behinD.Parents_56_ to die before their children, which is the natural order of life events.When the situation is reversed and a child dies _57_ the parents itseems wrong.Yet we never know why one person dies andanother lives.But we do know _58_ a child is gone, theparents still have a future, as grey and worthless as it may at first seem.Death may take the child, but the love never _59_.The sorrow after a child’s death is one ofthe longest and hardest type of _60_ to live with.And ittakes long to deal with the parents’ own emotions.__________
A.and
B.or
C.but
D.so

【◆参考答案◆】:B

(10)【◆题库问题◆】:[单选] 下列函数中,为奇函数的是(  ) (A)y=㏒3x(B)y=3x(C)y=3x2(D)y=3sinx

【◆参考答案◆】:D

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