A:∃x0∈R,使得e x0 ≤0
B:sinx+2sinx>22(x≠kπ,k∈z)
C:∀x∈R,2x>x2
D:a>1,b>1是ab>1的充分不必要条件
如图,已知正比例函数y=2x和反比例函数的图象交于点A(m,﹣2).
选出适合的答案。
① What's your name? ____ A. 早上好。
② Good morning. ____ B. 请问你的名字?
③ Your name, please? ____ C. 我是李先生。
④ Good afternoon. ____ D. 你叫什么名字?
⑤ I'm Mr. Li.____ E. 下午好。
材料一:如图
材料二:“朝为田舍郎,暮登天子堂”、“天子重英豪,文章教尔曹”。
材料三:“舟所以比人君,水所以比黎庶;水能载舟,亦能覆舟。”——唐太宗
材料四:图7,图8。
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