Key words

1.The new drug has become the subject of heated______ （争辩）within the medical profession.. 2. A global _____________ （环境的）meeting is going to be held here. 3. It’s your r____________ to inform us of any changes. 4. The new _______ （到达者）was none other than the lady principal. 5. He is fond of the ___________ (气氛) of peace and calm in the country.

debate

environmental

esponsibility

arrival

atmosphere