连词成句。

1.  in   schoolbag   your  what's

                                                                          ?

2.  a   book   I   new   have

                                                                          .

3.  it   colour   is   what

                                                                          ?

4.  you   many   books   English   do   how   have 

                                                                          ?

5.  this   I   pencil    like

                                                                          .

假设检验的第一类错误是指

A．拒绝了实际上成立的H₀
B．不拒绝实际上不成立的H₀
C．拒绝了实际上不成立的H₀
D．接受实际上错误的H₀
E．拒绝H₀时所犯的错误