题目
New version of Paris climate agreement ___________，the whole world has seen a promising future of lower planet-warming greenhouse gas emissions．（ ）A. releasingB. releasedC. has releasedD. has been released
New version of Paris climate agreement ___________，the whole world has seen a promising future of lower planet-warming greenhouse gas emissions．（ ）
A. releasing
B. released
C. has released
D. has been released
题目解答
答案
B. released
解析
步骤 1：分析句子结构
句子的主干是 "the whole world has seen a promising future of lower planet-warming greenhouse gas emissions"，而 "New version of Paris climate agreement ___________" 是一个非谓语动词结构，用来修饰主句。
步骤 2：确定非谓语动词的形式
由于 "New version of Paris climate agreement" 和 "release" 之间是被动关系，所以应该使用过去分词 "released"。
步骤 3：验证答案
将 "released" 放入句子中，句子结构和意义都正确，符合题意。
句子的主干是 "the whole world has seen a promising future of lower planet-warming greenhouse gas emissions"，而 "New version of Paris climate agreement ___________" 是一个非谓语动词结构，用来修饰主句。
步骤 2：确定非谓语动词的形式
由于 "New version of Paris climate agreement" 和 "release" 之间是被动关系，所以应该使用过去分词 "released"。
步骤 3：验证答案
将 "released" 放入句子中，句子结构和意义都正确，符合题意。