选词填空 ( 填序号 ) : A. In retrospect B. attached C.investigate D. on occasion E. initial F.insert G. is awaiting H. emerged I. promote J. not.....in the leastK. make up for L. phenomena M. 1. To use the machine, first ______ the correct coins, then select the drink you want and press the button. 2. Professor Smith translated not only from the French but also, ____________ from the Polish. 3. Food chemists will ___________ the health food( 保健食品 ) on sale to see if it really does give the benefits claimed. 4. _____________, it was the wrong time to open a new data processing( 数据处理 ) center in this city. 5. My ______ reaction to the news was relief, but as I thought more about it I began to feel angry. 6. A full understanding of mathematics is sufficient to explain a wide variety of natural ____________. 7. Make sure the label is firmly _________ to the parcel( 包裹 ) before you mail it. 8. My boyfriend bought me dinner to ____________ being late the day before. 9. The committee____________ a decision from the head office before it takes any action. 10. The little girl did ____ seem to be ___________ frightened of being left by herself in the house. 11. The WTO (=World Trade Organization 世界贸易组织 ) is intended to _________trade among its member states. 12. When the moon _________ from behind the clouds I made out a figure moving in the distance.