【单选题】What was Molly' s father afraid of?
A.
He suspected Molly wanted him to do something criminal.
B.
He believed Molly was trying to make him leave his wife.
C.
He feared he might lose his position as a doctor.
D.
He thought Molly would encourage his old bad habits.
【单选题】定轴转动刚体角动量守恒的充分而必要的条件是
【判断题】考虑降水背景值,现在一般以pH=5.0作为酸性降水的判断标准。
【单选题】听力原文:M: Molly gave Lily flowers yesterday. W: Molly just did it for Henry. M: Why did he give flowers W: It's Lily's birthday yesterday. M: Are they on date W: I'm not sure. Who gave Lily flowers?
【简答题】Molly was a peasant girl. Her parents did not have much money and Molly did not have many nice clothes. One day Molly’s father said to her, “Molly, take this pot of milk to market and sell it. You may...
【判断题】酸雨的pH界定最初定为5.0,后来人们提出降水pH背景值这一问题后,又定义为5.6。()