-Didyouhearthepresident'sspeechaboutthemedia(传媒)?-Yes.Hedoesn'ttrustthem.Hethinksthattheyaren'tgivingcorrectabouthisprograms.[]A.articleB.informationC.speechD.idea
-Did you hear the president's speech about the media(传媒)? -Yes. He doesn't trust them. He thinks that they aren't giving correct_____ about his programs. [ ] A. article B. information C. speech D. idea |
f(x)=e^x-kx,设函数F(x)=f(x)+f(-x),求证F(1)F(2)……F(n)>[ 2020-05-21 …
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