【单选题】Which of the following statement is correct?
A.
People among the 60 to 70 age group are more lonely and more sick than among the 50 to 60 age group.
B.
There are more mental illnesses among 60 to 70 age group than among the 50 to 60 age group.
C.
The 60 to 70 age group and the 50 to 60 age group are in nearly the same mental and physical state.
D.
Both groups are lonely and sick.
【单选题】If you submit the following program, which variables appear in the new data set? data work.cardiac(drop=age group); set clinic.fitness(keep=age weight group); if group=2 and age>40; run;
【单选题】Which age group does the stage "Emerging Adulthood" refer to?
【简答题】你计划一次从 Warrnambool 到 Orbost (37 o 47 ‘ S 148 o 36 ’ E) 的飞行, 预计飞行时间为 137 分钟,并于天黑之前 10 分钟到达目的地,当日 Orbost 的天黑时刻是 1831 LMT 。 请问你从 Warrnambool 起飞离场不得晚于 UTC 的什么时刻 ?
【单选题】According to the passage, which group of people seem to age slower than the others?
【单选题】Which group of women spent less time online than men?
B.
Women age 65 and older.
D.
African American women.
【判断题】副通道是辅助的通道,是顾客进入各个角落的重要通道。
【简答题】Which age group is more than any other age group on leisure activities?
【单选题】光学直角器可以检验部件间垂直度误差,光学直角器的要元件是一个
【单选题】光学直角器可以检验部件间垂直度误差,光学直角器的主要元件是一个 。