根据百分数的意义,这里是把99粒种子看做单位“1”,
所以发芽率是100%.
故选:C.
Swan made a promise to his father _____ he would have himself home early.
A.when
B.why
C./
D.that
苏联作家奥斯特洛夫斯基描写的一部革命战争篇小说在20世纪影响了许多中国人。这部作品是()。
A.《童年》
B.《钢铁是怎样炼成的》
C.《战争与和平》
D.《列宁》