下列哪项不属于腭裂的临床特点
A.吸吮功能障碍,口、鼻腔卫生不良
B.上颁发育障碍,牙列错乱
C.口腔内黏膜感觉异常
D.腭裂语音
E.听力降低
参考答案:C
Helen always helps her mother even though going to school _____ most of her day.[ ]
A. takes up
B. makes up
C. saves up
D. put up
《检维修施工作业风险评价管理暂行规定》编制依据是什么?