【多选题】infomation.csv如下图所示 使用df=pd.read_csv("information.csv",encoding='gbk'),需要取得“姓名"这列,可以使用的方法有
【单选题】information.csv如下图所示 使用df=pd.read_csv("information.csv",encoding='gbk')读进去后,取出所有年龄大于30岁的队员信息
A.
df.loc[df['年龄(岁)']>30,:]
B.
df.iloc[df['年龄(岁)']>30,:]
C.
df.loc[:,df['年龄(岁)']>30]
【判断题】循环系统由心脏、血管和调节血液循环的神经体液装置组成。()
【简答题】调节循环系统的神经有____和____。
【单选题】Shall we play _________ football now?
【简答题】由心脏出发流向全身的血管是______血管,循环系统包括______和______.
【单选题】—Shall we play football this afternoon? --_______
B.
OK, I’ll be free then.
【判断题】调节循环系统的神经有交感神经和副交感神经。( )
【简答题】选择方框内的句子补全对话。 A: Shall we play football together? B: 1 A: Why not? B: Because I have to go home to feed animals. A: 2 B: We have three sheep.two cows and some chickens . A: 3 B: Because my brother did...
【单选题】— Shall we play basketball this afternoon? — _____ I need to exercise very much. [ ]