Suppose V1=<R,+>,V2=<R, .>,where R is the set of real numbers, +and . are respectively addition and multiplication. Let f: R→R and {(x) = 10x, which of the following propositions is true? ( )
【简答题】单词拼写(满分5分) 小题1:It’s hard to p him into stopping smoking. 小题2:Scientists have so far failed to find a c for cancer. 小题3:This film is m to warn people against drugs. 小题4:Shall I p you a cup of tea? 小题5:...
【简答题】单词拼写。 根据下列各句句意和空白之后的汉语提示词,在横线上写出对应单词的正确形式,每空只写一词。 1. Mr. Zhang, one of my _______ (同事), is strict with his students. 2. The fifth day of a week is _______ (周四). 3. This rule can't be _______ (应用) to e...