A.the introduction of new technologies.
B.the improvement of workers' basic skills.
C.the composition of professional and managerial employees.
D.the attachment of importance to the bottom half of the employees.
第9题
某男,65岁。中风后口闭难开,牙关紧急,称为
A.口张
B.口撮
C.口噤
D.口
E.以上都不是
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