题目

Mr. Smith gradually _____ a knowledge of the subject.         A. attained                    B. achieved                    C. required            D. acquired   答案：D下列划线字的注音全都正确的一项是 (    ) (3分)A．承蜩(tiáo)休祲(jìn)心无旁骛(wù)B．佝偻(yǔ)舐犊(shì)廓然无累(lěi)C．襁褓(qiáng)间令(jiàn)度德量力(duó)D．谪戍(zhé)鞭笞(cī)免冠徒跣(xiǎn)