单项选择题
“The purpose of the exchange program is to promote the understanding between the two countries.” The underlined part is the _________ of the sentence. A、object B、adverbial C、predicative D、subject
问答题 栅条式犁壁适用于耕[填空(1)] 。
单项选择题 A、正确 B、错误
单项选择题 讲述活动“喜欢夏天还是冬天”属于（ ）。 A、议论性讲述 B、说明性讲述 C、描述性讲述 D、叙事性讲述
