下列生物类群中,没有输导组织的是[ ]
A.苔藓植物
B.蕨类植物
C.裸子植物
D.被子植物
答案:A
The author of the article believes that it is the test system, _____ teachers, that is responsible for the heavy
burden of the middle school students nowadays. [ ]
A. other than
B. or rather
C. rather than
D. more than
国际博物馆日于哪年确立()。
A.1976年
B.1977年
C.1978年