杉树的成活率是95%，今年植树节植树成活了285棵，求一共植了多少棵树？
285÷95%=300（棵），
答：一共植了300棵树．
208. His _________, his sister's son, was admitted to Beijing University this year.
A．cousin
B．niece
C．nephew
D．Grandson
.
A．
B．
C．
D．
