二次函数y=x2+4x+5(﹣3≤x≤0)的最大值和最小值分别是____.
Mr. Zhang can't speak French. _______, he had never learned French before he came to Paris.
以下关于日本自然条件的说法,正确的是
为配合某社区选举工作,某校社会实践活动小组拟定了下列宣传标语,你认为恰当的是( )