I. 听力部分
II.语言知识运用
第一节.语言结构(共10小题;每小题1.5分,满分15分)
仔细阅读下面的短文,根据上下文提示做出相应的填写。答案填写在答题卡上标号为21-30的对应位置。
Like the body, the memory improves with use. Unlike the body, the memory can improve with age.
For many years, doctors 21 (study) the way the brain wor...