Exercises Unit One Book 2
1.To use the machine, first _ the correct coins, then select the drink you want and press the button. insert 投入，插入 Vocabulary Exercise I: 要使用这台机器，首先要投入足够的硬 币，然后选择想要的饮料，最后按下按 钮
2. Professor Smith translated not only from the French but also, _ , from the Polish. 史密斯教授不仅能翻译法语,有时也能 翻译波兰语. Vocabulary Exercise I: on occasion 有时
3. Food chemists will _ the health food on sale to see if it really does give the benefits claimed. 食品药剂师将研究市场上销售的保健品， 看看它是否具有所说的保健功能。 Vocabulary Exercise I: investigate 调查，研究
4. _ , it was the wrong time to open a new data processing center in this city. 事后看来，在该市开一家新的数据处理 中心的时机不适合。 Vocabulary Exercise I: In retrospect 事后看来
5. My _ reaction to the news was relief, but as I thought more about it I began to feel angry. 我对这条新闻的第一反应是宽慰， 但后来细想想，我开始感到生气了。 Vocabulary Exercise I: initial 第一（反应）
6. A full understanding of mathematics is sufficient to explain a wide variety of natural _ . 对数学的充分理解足以解释多种多样 的自然现象. Vocabulary Exercise I: phenomena （自然）现象
7. Make sure the label is firmly _ to the parcel before you mail it. 在投递之前要确保将标签紧紧地贴 在包裹上. Vocabulary Exercise I: attached 贴在（包裹上）
8. My boyfriend bought me dinner to _ being late the day before. Vocabulary Exercise I: 我男朋友请我吃饭，以弥补前天的 迟到。 make up for 弥补，补偿 我男朋友前天迟到了，他请我吃饭 作为补偿（道歉）
9. The committee _ a decision from the head office before it takes any action. Vocabulary Exercise I: 委员会正在等待总部的决定，然后 再采取行动。 is awaiting 正在等待