A-A+
What's the key factor to strengthen achievemen
问题详情
What"s the key factor to strengthen achievement for a school？
A．A good teacher.
B．The class size.
C．Finance.
D．Textbooks.
参考答案
正确答案：A
解析：题干的key factor和strengthen achievement分别是对该句the single most important factor和boosting achievement的同义改写，据此可知题目问的what正是a good teacher，故选A。
