小题1:Yu Wei will meet Ren Xue at the school gate             .

A．at 8:00, on May 23

B．at 8:00, on May 24

C．at 16:00, on May 23

D．at 16:00, on May 24小题2:Tomorrow Yu Wei and Ren Xue will probably             .

A．go hiking

B．go to a party

C．go to the movies

D．join the Sunshine Club小题3:Which number can Maria call at if her MP5 is lost?

A．84676352.

B．87539683.

C．87539682.

D．87058344.小题4:Which of the following people is allowed to join the club?

A．A 10-year-old kid.

B．A 14-year-old boy.

C．A 19-year-old student.

D．A 30-year-old parent.小题5:We can know that the club             

A．is on Land Street

B．costs 35 yuan a week

C．opens once a week

D．is open for four hours a week

2（a²）⁶-（a³）⁴=______，b²ⁿ÷b^2n-1=______．