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【单选题】
下列选项中，关于搜索引擎与目录索引的不同之处，不包括()。A.
搜索引擎属于自动网站检索，而目录索引则完全依赖手工操作
B.
目录索引属于自动网站检索，而搜索引擎则完全依赖手工操作
C.
目录索引对网站的要求比搜索引擎高得多
D.
登录搜索引擎时，一般不考虑网站的分类问题，而目录索引则必须将网站放在合适的目录下
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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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