【单选题】What’s your hobby? My hobby is ______ model plane.
【单选题】What’s your hobby? My hobby is ______ model plane.
【简答题】What is your hobby? My hobby is (打羽毛球).
【单选题】---My hobby is old coins, what about you? ---In my free time, I like in the park.
【单选题】属于β-内酰胺类抗生素的代表性药物是()。
D.
氧氟沙星、环丙沙星、左氧氟沙星、洛美沙星、曲氟沙星等
E.
红霉素、白霉素、螺旋霉素、阿奇霉素、克拉霉素、罗红霉素等