4岁小儿,因不会说话来诊,动作发育正常,首选的检查是()
A.头颅CT
B.声带
C.听力
D.舌系带是否短
E.口腔有无畸形
参考答案:C
十进制数54转换成二进制整数是
A.0110110
B.0110101
C.0111110
D.0111100
____ your leg seriously injured, you have no choice but to lie in bed. [ ]
A. As
B. Because
C. With
D. Since