【答案】

3. B 4. D

【原文】

（3）World leaders at the G8 summit in the United States（此次八国集团峰会在美国举行。）have emphasized the need for jobs and growth in reviving the global economy and urged Greece to remain in the Eurozone. A statement issued at Camp David said a strong and cohesive Eurozone was important for global economic stability.（4）The leaders said their imperative was to promote growth and jobs.（头等大事是促进经济增长和扩大就业化）All necessary steps should be taken, they said，to re-invigorate economies and combat financial stresses. The summit has now moved on to other issues, including food security，energy and climate, partnerships in North Africa and the Middle East, and the war in Afghanistan.