情感强度弱，情感变化速度迟缓
A．胆汁质B．抑郁质C．多血质D．黏液质E．少血质
参考答案：D
按数量变量分组的关键是确定（）。
A.变量值的大小
B.组数
C.组中值
D.组距
While our manager is away on business, our company will be _______Mr Zhang.
A．in the charge of
B．in charge of
C．taken charge of
D．taking the charge of
