传注体
参考答案:
是经汉代学者奠基的以解释先秦文献词句为主的一种体例。
The school year is divided into two semesters, __________is September through December.
A.the first of which
B.the first of them
C.the first of it
D.the first of that
自花授粉的主要作物有水稻、小麦、()等。
A、玉米
B、棉花
C、南瓜
D、冬瓜