愤怒、紧张、焦虑不导致下列哪项
A.交感神经兴奋
B.副交感神经兴奋
C.应激性激素分泌
D.免疫系统低下
E.产生心身疾病
参考答案:B
属于S-苷的化合物是
A.獐牙菜苦苷B.水杨苷C.萝卜苷D.巴豆苷E.芦荟苷
He was made ______ thirteen hours a day by his boss.
A. to work B. workC. is on D. are in