IF the Chang'e-2 sends back high-resolution photos of the Bay of Rainbows, the mission can be deemed a complete success, the chief designer of China's lunar explorationprogram said yesterday.

Wu Weiren said Chang'e-2 would take high-resolution photos of the proposed landing ground for Chang'e-3.

Wu said four to five areas had been chosen for a landing ground, but the Bay of Rainbows would be the first choice.

"Other places on the moon have already been landed on, so we want to choose one that has not been explored before.

"Previously, most lunar programs landed around the equator of the moon, an area easier for monitoring and control maneuvers, but Chang'e-3 will take on greater challenges."

• mission [´miʃən] n.代表团；使馆vt.派遣 (初中英语单词)
• program [´prəugræm] n.说明v.为...安排节目 (初中英语单词)
• yesterday [´jestədi] n.&ad.昨天；前不久 (初中英语单词)
• exploration [,eksplɔ:´reiʃən] n.探索；探险；考察 (高中英语单词)
• equator [i´kweitə] n.赤道 (英语四级单词)
• designer [di´zainə] n.设计者 (英语六级单词)
• landing [´lændiŋ] n.登陆；降落；楼梯平台 (英语六级单词)