【单选题】I had tried my best to stop that wrong doing, but my advice had no________on his actions. [ ]
【单选题】177道德在调整人们行为时的评价时的评价标准是( )。
【单选题】I tried to make the baby _____ by singing and jumping like a monkey. [ ]
【单选题】常见的齿轮材料20CrMnTi(含碳量0.2%;硬度低。齿轮最终性能要求有表硬里韧)的最终热处理工艺应该是( )
【判断题】水蒸气蒸馏是利用样品的不同组分在两种不相混溶的溶剂中的溶解度不同,来达到分离或纯化。
【单选题】I tried to stop several times but in vain.
【单选题】I tried to stop her from _____ her unhappiness at home.
【单选题】月经是由于血液中:
B.
雌激素和孕激素含量骤降,引起子宫内膜全层脱落
C.
雌激素和孕激素含量骤降,引起子宫内膜功能层脱落
【单选题】-Lily failed again. -I tried to stop her several times,but she listen. [ ]