实施舌系带矫正术的合适年龄是（）
A.出生6个月
B.1岁以内
C.1～2岁，婴幼儿学说话前
D.2岁后，婴幼儿学会说话后
E.5岁后
参考答案：C
.
She is now training hard for the next Olympics in London, desiring that she __ win another gold medal for her nation before she leaves the sports field forever.
A．will
B．must
C．should
D．would
关于类风湿性关节炎叙述不正确的是
A．关节呈梭形畸形B．关节上下两端肌肉萎缩C．发病大多缓慢D．非对称性、间断性、游走性关节痛E．可有轻、中度贫血
