worthwhile 值得做(形容词);worth 值得(worth doing 固定搭配);worthy 有价值的;requesting 请求,要求 7、Some of the most important concepts in physics ___ their success to these mathematical systems. A)oblige B)owe C)contribute D)attribute 答案B 物理学...
1. Yet little has been done to solve this problem worldwide. 2. To make one final point, … 3. As we are all aware … 4. … has long been an issue debated mainly in … around the world. 5. One example is that … 6. Conversely 7. The final point tha...
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