2.油价不断上涨,世界各国都不同程度地受到了影响。(one way or another)3.他在会上提出了一系列可能避免环境污染的措施。(ward off)4.迈克向他父亲保证他一定会全身心地投入即将到来的比赛。(assure)5.玛丽一旦下定决心,就绝不会动摇。(waver)

2. 油价持续上涨，各国均受影响（one way or another）。可译为： Oil prices are rising steadily, and countries around the world are affected one way or another. 3. 提出措施以避免环境污染（ward off）。可译为： He put forward a series of measures that may ward off environmental pollution at the meeting. 4. 迈克向父亲保证会全身心投入比赛（assure）。可译为： Mike assured his father that he would throw himself into the upcoming competition. 5. 玛丽一旦下定决心，绝不改变（waver）。可译为： Once Mary makes up her mind, she will never waver. （其他合理译法亦可接受。）