检查甲状腺时应注意
A.其大小
B.硬度
C.表面是否光滑,有无结节,压痛
D.两侧是否对称
E.有无震颤
参考答案:A,B,C,D,E
A good story does not necessarily have to have a happy ending, but the reader must not be left __________________.
A.unsatisfying
B.unsatisfied
C.to be unsatisfying
D.being unsatisfied
如图1所示,L1、L2是劲度系数均为k的轻质弹簧,A、B两只钩码均重G,则静止时两弹簧伸长量之和为 ( )
A.3G/k B.2G/k C.G/k D.G/2k