【简答题】"Antibiotics do not work against viruses, only bacteria," the WHO said on it’s official website. However,if the patient is hospitalized for the virus, he may accept antibiotics since"bacterial co-infe...
【单选题】—Are your printers easy to use? You see,we’ve managed without one up to now. Why are there so many knobs and buttons? — ( ) In fact, they’re entirely automatic.