简述消费习惯。
参考答案:消费主体在长期消费实践活动中形成的对一定消费事物具有稳定性偏好的心理表现。
特征:稳定性;地域性;非强制性。
There is a tall tree _________ my house. I often play games under it.
A.in
B.On
C.in front of
D.in the front of
设X为整型变量,不能正确表达1<X<5的逻辑表达式是()。
A.1<X<5
B.X=2 or X=3 or X=4
C.1<X And X<5
D.Not (X<=1) And Not (X>=5)