甲状腺功能亢进引起发热的主要原因是()
A.产热过多
B.散热过少
C.抗原-抗体反应
D.坏死物质吸收
E.植物神经功能紊乱
参考答案:A
上颌第一磨牙三个根的名称分别是()
A.近中颊根
B.近中腭根
C.远中颊根
D.远中腭根
E.腭侧根
Gun control is a subject ______ Americans have argued for a long time. [ ]
A. of which
B. with which
C. about which
D.into which