第20题: [单项选择]The children cheered up when they saw hundreds of colorful balloons ________ slowly into the sky. A. floating B. raising C. heaving D. ascending 参考答案:D 答案解析:[译文]看到数百只五颜六色的气球缓缓升上天空,孩子们欢呼起来。
[题解]近义动词辨析:floating“飘浮,浮动”;raising“举起,升起”,但raise为及物动词,其后不接介词into;he