— Do you know ?
— I am not sure. Maybe an artist.
A:who the man with long hair is
B:where I can find the artist
C:what the man with long hair is
D:how I can find the artist
要点:1. 参加中文学习班 2. 看中文书刊、电视 3. 学唱中文歌曲 4. 其他
注意: 1. 词数120左右 2. 可适当增加细节, 以使行文连贯。
Dear Peter,
Best Wishes.
Yours,
Li Hua
已知函数f(x)=ax+xlnx(a∈R)
(1)若函数f(x)在区间e,+∞)上为增函数,求a的取值范围;
(2)当a=1且k∈z时,不等式k(x﹣1)<f(x)在x∈(1,+∞)上恒成立,求k的最大值.