题目

它是世界文化遗产，是自然与文化、人类与环境、水利工程与山水风光和谐融合的千古奇观，2000多年来一直发挥着巨大效益，使成都平原成为天府之国。它指的是                  （ ）A．都江堰B．灵渠 C．长城 D．大运河 答案：A解析:略用方框中所给短语的适当形式填空jump up and down；quite a few；keep a diary； because of；walk around【1】He looks very sad _____ his illness(疾病)．【2】It's a fine day today.Let's _____ the park，OK?【3】He has _____ friends here because he is always friendly.【4】The man seems ______ every day.【5】Look! How playful the boy is! He is _____ with excitement.