语法与词汇 ______a scientist is being deliberately informal, he will tend to speak like a book when he is explaining science.
【正确答案】 D
【答案解析】“only+副词”放在句首，句子要求倒装，故排除A、B；而hear做himself的补语，是表示使自己被听见，故应用过去分词。译文：只有用你最大的声音喊，别人才听得到你。