【单选题】Molly agreed, but she did not sound very __________.
【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.
【判断题】(1分)定轴转动刚体的角动量守恒的条件是刚体所受外力之和为零。
【单选题】抗原决定簇分为不连续和连续决定簇两类。以下关于不连续决定簇的描述不正确的是()
【单选题】候车室要提供饮用水,公用水杯(),未经消毒的水杯不得供旅客使用。
【单选题】在大学生德智体美的全面发展中,德是人才素质的( )。
【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。()