维持蛋白质高级结构的分子间作用力不包括()。 A.共价键 B.氢键 C.离子键 D.

题型:单项选择题 A1/A2型题

问题:

维持蛋白质高级结构的分子间作用力不包括()。

A.共价键

B.氢键

C.离子键

D.范德华力

E.疏水作用

考点:输血技术(师)生物化学生物化学题库
题型:单项选择题 A1/A2型题

某投资者在10月份以80点的权利金(每点10美元,合500美元)买进一张12月份到期、执行价格为9500的道·琼斯指数美式看涨期权,期权标的物是12月到期的道?琼斯指数期货合约。若后来在到期时12月道·琼斯指数期货升至9550点,若该投资者此时决定执行期权,他将亏损()美元。(忽略佣金成本)

A.80

B.300

C.500

D.800

题型:单项选择题 A1/A2型题

男性,68岁,有高血压病史20年,突然出现剧烈头痛、呕吐、左侧上下肢瘫痪,随即意识丧失,右侧瞳孔散大,对光反应消失,睑下垂,血压25/16kPa,呼吸忽快忽慢。

危及生命的原因是由于发生了()

A.左侧颞叶疝

B.大脑镰疝

C.枕骨大孔疝

D.内囊出血

E.右侧颞叶疝

题型:单项选择题 A1/A2型题
I know I should have told the headmaster at the time. That was my real    21 .
He had gone out of the study for some   22  , leaving me alone. In his absence I looked to see what was on his    23  . In the   24  was a small piece of paper on which were written the    25  “English Writing Prize 1949. History Is a Serious of Biographies (人物传记)”.
A(n)   26  boy would have avoided looking at the title as soon as he saw the  27   . I did not. The subject of the English Writing Prize was kept a    28   until the start of the exam so I could not  29   reading it.
When the headmaster     30  , I was looking out of the window.
I should have told him what had    31  then. It would have been so  32  to say: “I’m sorry, but I  33  the title for the English Writing Prize on your desk. You’ll have to   34   it.”
The chance passed and I did not take it. I sat for the exam the next day and I won. I didn’t mean to cheat, but it was still    35   anyhow.
That was thirty-eight years ago when I was fifteen. I have never told anyone about it before, nor have I tried to explain to myself why not.
小题1:
A.planB.faultC.gradeD.luck
小题2:
A.reasonB.courseC.exampleD.vacation
小题3:
A.bookB.headC.clothesD.desk
小题4:
A.drawerB.bookC.middleD.box
小题5:
A.namesB.wordsC.ideasD.messages
小题6:
A.honestB.handsomeC.friendlyD.active
小题7:
A.deskB.paperC.bookD.drawer
小题8:
A.questionB.keyC.noteD.secret
小题9:
A.helpB.considerC.practiseD.forget
小题10:
A.disappearedB.stayedC.returnedD.went
小题11:
A.existedB.remainedC.happenedD.continued
小题12:
A.tiringB.easyC.importantD.difficult
小题13:
A.sawB.gaveC.setD.made
小题14:
A.repeatB.defendC.correctD.change
小题15:
A.cheatingB.havingC.stayingD.finding
题型:单项选择题 A1/A2型题

患者女,缺失,行可摘局部义齿修复,义齿制作完成后戴牙时,发现基托与组织不密合,下列哪项不是造成这种情况的原因()

A.患者使用不当

B.印模或模型不准确

C.热处理开盒过早变形

D.牙槽嵴吸收,基托与组织出现间隙

E.磨光时产热过高致基托变形

题型:单项选择题 A1/A2型题

男性,80岁,体重45k8,因胃癌需要手术治疗。P 100/min,BP 140/95mm- Hg,Hb 60g/L,血小板90×109/L,医师决定给予输血,此时应该选用

A.新鲜全血
B.浓缩红细胞
C.红细胞悬液
D.浓缩红细胞和血浆
E.红细胞悬液和血浆

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