A. testimony
B. evidences
C. proof
D. evidence
第1题:
James is reporting the car accident to the police on the spot.
POLICE: Can you tell me what___1__ here
JAMES: Yes. I had a bad traffic accident. Look, my car looks like a squashed Coke can.
POLICE: Did you see the car before it hit you
JAMES: No, I didn't. That car was too __2___.
POLICE: Which lane were you in
JAMES: I don't remember.
POLICE: How fast were you__3___ then
JAMES: Less than 30 miles per hour.
POLICE: Which direction were you__4___ from And which direction were you heading
JAMES: I was heading from east to west.
POLICE: OK, please move your car off to the side of the road. We will check on it. Do you feel like you need an ambulance, sir
JAMES: No, I didn't get __5___. Thanks for your concern.
POLICE: No problem, sir.
第2题:
A.CiscoCatalyst2900Series,Catalyst7300Series,andCatalyst8000Series
B.CiscoCatalyst2900Series,Catalyst3700Series,andCatalystSeries
C.CiscoCatalyst2700Series,Catalyst7300Series,andCatalyst8000Series
D.CiscoCatalyst2700Series,Catalyst3700Series,andCatalyst4500Series
第3题:
5、下面是哪项不是中性词()
A.chair
B.person
C.mankind
D.police
第4题:
A、try
B、tried
C、tries
D、trying
第5题:
4、关于DataFrame和Series对象,下列叙述正确的是_______。
A.DataFrame对象只能用于处理两维数据
B.DataFrame对象不能转化为Series对象
C.Series对象主要用于处理一维数据
D.Series对象可以用来处理多维数据
第6题:
请在下面空格处填写答案。 >>> from pandas import Series >>> sa = Series(['a', 'b', 'c'], index = [0, 1, 2]) >>> sb = Series(['a', 'b', 'c']) >>> sc = Series(['a', 'c', 'b']) >>> sa*3 + sc*2 0 aaaaa 1 ______ 2 cccbb