【单选题】生产医疗器械,应当符合医疗器械国家标准;没有国家标准的,应当符合( )标准。
【单选题】What is the “非可再生能源“mean?
【简答题】Wendy is too excited to _________(表达) her happiness.
【判断题】熟杀黄鳝加盐的目的使肉中的蛋白质凝固,便于“划鳝”;加醋、料酒、葱姜的目的去腥。
【单选题】以下不适合采用VCR法开采的矿体是( )
【简答题】Complete the sentences with the correct words from the box. Change the form if necessary. present bright major surprise temperature express probably memory Wendy is too excited to___...