题型:问答题 The Smiths moved to China ten years ago and here since then. [ ]A. has lived B. was living C.live D. have lived 查看答案
题型:问答题 下列关于肾血流动力学异常的原因哪项是错误的()A.交感神经过度兴奋B.肾内肾素血管紧张素系统兴奋C.肾内舒血管性前列腺素合成减少,缩血管性前列腺素产生过多D.血管缺血导致血管内皮损伤E.球一管反馈过弱 查看答案