女,21岁。2年来牙龈经常红肿,口有异味,经检查后诊断为快速进展性牙周炎,治疗中应包括的是
A.调整激素水平B.化疗C.牙周基础治疗和药物治疗D.放疗E.牙龈切除术
参考答案:C
We are said to be living in ________ Information Age, _______ time of new discoveries and great changes.
A.an, the
B./, the
C./, a
D.the, a
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