【单选题】Whenever we are in _______, we must never lose _______, but try to think of the way out.
A.
the trouble; our heart
【单选题】We must not lose heart only _____ the difficulty were faced with.
【单选题】门诊病人,2岁。发热,咽痛2天,体温38.0~39.0℃,因热不退于第3天来诊。体检:体温38.5℃,精神好,咽充血,肺呼吸音清。白细胞5.8×109/L,中性0.40。下一步治疗应采取