一质点做匀速率圆周运动时，其(）
C
暂无解析
羊膜镜检查时观察到羊水的正常颜色是（）
CharlesSmith,______wasmyformerteacher,retiredlastyear.
肺炎患儿的护理措施是（）
_____alltherepresentativesstillnotthere，themeetingwaspostponedforseveralhours.
Thegirlwhofoundtheringreceivedagenerous_____offivepounds.
Hewasvery_____togo，buthehadnochoice.
患儿男1岁半，夜间睡眠时出现喉鸣和吸气性呼吸困难，急诊求医，听诊可闻喉传导音，心率150次/分，诊断为急性喉炎。患儿喉梗阻的分度应为（）
“Itwasverycoldtesterday.”
“_____.”
Havingdecidedtorentaflat,we________contactinghousingagenciesinthecity.
Hecomplainedtothebooksellerthattherewereseveralpages______inthebook.