血压170/100mmHg伴心肌梗死患者应诊断为高血压病()
A.2级(低危)
B.2级(中危)
C.2级(高危)
D.2级(极高危)
E.3级(极高危)
参考答案:D
_____________ made Jim most excited was, I think, ____________ he had passed all the exams.
A.That, what
B.What, which
C.That, which
D.What, that
试述代谢性碱中毒的主要原因和诊断要点。