绿豆发芽导致______含量增高。
A．维生素E
B．维生素B
C．维生素D
D．维生素A
E．维生素C
参考答案：E
The top student failed again in the examination and only then ______ the importance of reading and memorizing the English texts.
A．he realized
B．he had realized
C．had he realized
D．did he realize
1963年语文教学大纲和统编教材的历史贡献是什么？
