【单选题】患者,男性,50岁,持续下腹部隐痛2个月,食欲差,多次大便潜血阳性。查体:消瘦,面色苍白,下腹部压痛,未触及包块。行CT检查未见明显异常,为进一步诊断,来院就诊。若以上所选检查未见明显异常,为进一步明确诊断,以下何种检查最佳()
【单选题】男性,60岁。2个月来上腹部疼痛,尤以空腹和夜间为重,进食可缓解。目前患者应做何种检查确诊
【单选题】工程经济技术指标表中单方钢筋含量为0,是什么影响的( )
【单选题】What the element “ -es ” indicates is third person singular , present tense, the element “ -ed ” past tense , and “ -ing ” progressive aspect. Since they are the smal lest unit of language and meaning...
【简答题】已知曲线y=- x 3 +2与曲线y=4x 2 -1在x=x 0 处的切线互相垂直,则x 0 的值为
【单选题】What aspect of blood does the professor mainly discuss?
A.
An explanation of stem cells
B.
A process for blood transfusion
C.
A method for producing artificial blood
D.
A discussion of blood typing