Such noble deeds of the doctors and nurses can’t be only______ with money. A. rewarded B. awarded C. praised D. valued 答案:A 解析: rewarded “回报”,常用于reward sb.with sth.结构。B “授予(奖品等)”,常用于award sb. sth; C“表扬”;D“评价,重视”。
正方形的中心为Q(1,-1),边长为4,一边的斜率为,求正方形各边所在直线的方程.