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【简答题】
下图为人的屈、伸肘运动示意图，请据图回答。（6分） （1）当[1] 处于收缩状态，[2]处于舒张状态时，完成了人体________动作。 （2）骨的运动要靠 牵拉，当它受到 传来的刺激收缩时，就会牵动着骨绕着关节活动，于是躯体的相应部位就会产生运动。 （3）屈、伸肘动作符合杠杆原理，起到支点作用的分别是（ ）。 A．关节 B．骨 C．骨骼肌 D．骨骼 （4）由图中可知，肱二头肌的肌腱至少固定在（ ）。 A．一块骨上 B．两块骨上 C．多块骨上 D．不能确定
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【简答题】酶的活性中心包括 和 两个功能区。
【单选题】Oceanography has been defined as 'The application of all sciences to the study of the sea'. Before the nineteenth century, scientists with an interest in the sea were few and far between. Certainly Ne...
A.
an academic aspect
B.
a military aspect
C.
a business aspect
D.
an international aspect
【单选题】Oceanography Oceanography has been defined as 'the application of all sciences to the study of the sea． Before the nineteenth century, scientists with an interest in the sea were few．Certainly Newton ...
A.
oceanographic studies
B.
military purposes
C.
business considerations
D.
investigating the depths of the oceans
【单选题】( ) has been defined as a 'threat of harm made to compel a person to do something against his or her will or judgment; especially, a wrongful threat made by one person to compel a manifestation of see...
A.
provision
B.
consideration
C.
duress
D.
binding
【单选题】Oceanography Oceanography has been defined as 'the application of all sciences to the study of the sea. ' Before the nineteenth century, scientists with an interest in the sea were few. Certainly Newt...
A.
oceanographic studies
B.
military purposes
C.
business considerations
D.
investigating the depths of the oceans
【单选题】The role that weather plays in formation flight has not yet been clearly defined.
A.
True
B.
False
【单选题】病人,男性,54岁。1周前尿量减少,约500~600ml/D,食欲差、双眼睑水肿就诊。查体:血压170/100mmHg。实验室检查:血肌酐726μmol/L,尿素氮26.8μmol/L,血钾6. 5mmol/L, RBC 2.35x10的12次方/儿,HB 70g/L。初步诊断为肾功能衰竭收住入院。该病人每天摄人的液体量应为( )
A.
前一天的尿量加上500ml
B.
500ml
C.
600ml
D.
700ml
E.
800ml
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