皮皮学，免费搜题
登录
搜题
【单选题】
下列哪种出血不属于破裂性出血( )A.
肺结核大咯血
B.
肝硬化食管静脉曲张大呕血
C.
十二指肠溃疡柏油样便
D.
胃癌呕血
E.
肺淤血性出血
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】The two Harvard economists note in their study that, for much of the 20th century, ________.
A.
enrollment kept decreasing in virtually all American colleges and universities
B.
the labor market preferred high-school to college graduates
C.
competition for university admissions was far more fierce than today
D.
the gap between the earnings of college and high-school graduates narrowed
【单选题】One theory, ________ suggested by Harvard University, is that humans began cooking their food, thereby releasing nutrients locked in the raw food and reducing the time needed to chew it.
A.
which
B.
as
C.
that
D.
what
【单选题】The two Harvard economists note in their study that, for much of the 20th century,
A.
enrollment kept decreasing in virtually all American colleges and universities
B.
the labor market preferred high-school graduates to college graduates
C.
competition for university admissions was far more fierce than today
D.
the gap between the earnings of college and high-school graduates narrowed
相关题目：
参考解析：
知识点：
题目纠错 0
发布
