足背与足趾挛缩畸形较严重或背屈时间过久,骨关节已有畸形病变,肌腱缩短者,手术后需用石膏托将小腿与足固定于90°或跖曲5°到10°,以防其继续挛缩。()
参考答案:错
小题1:There came a cry for help from the river. and it attracted my _
小题2:It's not easy for Linda to _ at night.
小题3:Jim failed in the lest because he was _ haw weekend.
小题4:Chinese___ medicine should be developed all over the world.
小题5:Gina won the first prize in the singing competition. so she went home
通过分析过去三个月内英镑兑美元的汇率,得到汇率均值为1英镑=1.64美元,汇率波动标准差为250个基点。假设英镑兑美元的汇率波动基本符合正态分布,则预期未来三个月中,英镑兑美元的汇率有95%的可能性处于()美元之间。
A.1.565~1.750
B.1.590~1.690
C.1.615~1.665
D.1.540~1.740