向量a→=1,x-1,b→=x+1,3，则“x=2”是“a→∥b→"的( )

题干

A：充分但不必要条件

B：必要但不充分条件

C：充要条件

D：既不充分也不必要条件

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A

good birthday third month time be December because her friend

It is Monday morning. Mary, Lucy, Tina and Judy____in the classroom.

Mary says she loves____because she loves Christmas(圣诞节). She can have a____time with her family. And she doesn't like June.

Lucy likes July____she likes the summer holiday(暑假). In July, her parents take____to travel(旅行). It's really great.

Tina thinks the ____month is good. People can go out with____ and families. They can have a great ____together（一起）.

Judy likes October because her birthday is on the tenth day in this ____. She usually has a good time on her____.