A. Because of the poisonous quality. B. It has to do with the position of the pollution. C. The aviation fuel is special. D. There is too much dirt in its resulting smoke. 参考答案:B 答案解析:[听力原文]27-28 Falling ticket prices and rising incomes are leading to rapid growth in global ai
第24题: [单项选择]根据我国宪法的规定，下列选项中不是公民获得物质帮助权条件的是( )。 A. 公民在年老时 B. 公民在疾病时 C. 公民在遭受自然灾害时 D. 公民在丧失劳动能力时 参考答案:C 答案解析:根据《宪法》的规定，中华人民共和国公民在年老、疾病或者丧失劳动能力的情况下，有从国家和社会获得物质帮助的权利。国家发展为公民享受这些权利所需要的社会保险、社会救济和医疗卫生事业。故选C。
第26题: [简答题]grammatical meanings 参考答案:
Grammatical meaning refers to that part of the meaning of the word which indicates grammatical concept or relationships such as part of speech of words, singular and plural meaning of nouns, tense meaning of verbs and their inflectional forms.
