皮皮学，免费搜题
登录
搜题
【单选题】
有关呕血与黑便,不正确的一项是A.
有黑便不一定有呕血
B.
有呕血常伴有黑便
C.
呕血呈咖啡色是血液在胃内经胃酸作用形成正铁血红素所致
D.
黑便呈柏油样是由于血红蛋白中铁与肠内硫化物作用形成硫化铁所致
E.
幽门以上出血表现为呕血，以下出血表现为黑便
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】图示电路中，结点如图所示，则un1为（）V。【图片】图
【单选题】The main idea that the author wants to demonstrate in Paragraph 5 is that______.
A.
the discrimination against single people is unacceptable
B.
single people deserve more privileges than married people
C.
single people are the backbone of urban economy
D.
The married people are too absorbed in their own family to be conscious of public welfare
【简答题】Most people from other cultures just ____________ ______________ for them.
【单选题】Public welfare urban parks, museums, memorials, basements, etc. in addition to the key units for the protection of cultural relics and the units for the collection of precious cultural relics, ( )...
A.
urban parks, museums, memorials
B.
urban parks, museums
C.
museums, memorials
【单选题】Graduate School of Public and International Affairs, University of Pittsburgh Master of Urban and Regional Planning (MURP) Planning is a comprehensive process through which public and private decision...
A.
be a staunch supporter of Greenpeace movement
B.
provide expertise in decision-making concerning growth
C.
work in non-profit welfare organizations
D.
help to plan and design the layout of a city
相关题目：