【判断题】牙合支托长度约为1/4磨牙或1/3前磨牙的近远中径
【判断题】premiere不可以导入mp4格式的文件。
【单选题】牙合支托长度应为磨牙牙合面近远中径的()
【单选题】Her dress is _________than ________. [ ]
【简答题】文献是信息的主要载体,根据对文献信息的加工层次可将文献分为________ 、________、________、________。
【单选题】The actress looked so attractive in her beautiful dress that we took _______ photos of her.