Almost every child in cities has the chance to go to school, but not all children in the countries are s小题1: lucky.

There is a girl called Xiao Wen. She is 8 years old and lives in a small v 小题2: in Guangxi. When she was young, she wanted to go to school. But she could not, because her family was too p小题3: to afford the school fees (学费) for her, so her parents had to keep her at home. I 小题4: of studying, Xiao Wen worked in the fields with her parents every day. Then Project Hope heard about Xiao Wen. It helped her to go to school. Her wish of study came t 小题5:, and now she is studying in a school.

U小题6:, there are many thousands of children who can not go to school .You can join in Project Hope and help these children. You know all the work n小题7: money and Project Hope needs your help.

If you give Project Hope ￥300 each year, it can pay for one child to go to school for a w 小题8: year. With more money, Project Hope can b 小题9: new schools, buy good desks, chairs, blackboards and books. Let’s help the children together and give them a c 小题10: to have a good start in life.

下列能引起期前收缩的时期是

A．绝对不应期

B．局部反应期

C．收缩期

D．舒张早期

E．相对不应期