Arff文件中包括（）标记。

关于.arff文件，以下叙述正确的是（ ）。

nominal

（ ）是Weka专用的文件格式。 A: ARFF B: TXT C: CSV D: ACCDB

A weather man probably is a man who_________. A: reports weather B: can see weather C: can change weather D: is made of weather

The relationship among real interest rate, nominal interest rate, and expected inflation rate is _________. A: real interest rate = nominal interest rate+ expected inflation rate B: real interest rate = nominal interest rate- expected inflation rate C: real interest rate = expected inflation rate - nominal interest rate D: nominal interest rate = real interest rate - expected inflation rate

How is the weather now A: [A] The weather is bad now. B: The weather is good now. C: The weather is changing now.

If money is neutral, then changes in the quantity of money A: do not affect real output. B: affect both nominal and real output. C: do not affect nominal output. D: affect neither nominal nor real output.

________, they will go on an outing to the beach tomorrow. A: Weather permit B: Weather permitting C: Weather is permitting D: Weather permits

Despite __________ , they had a wonderful holiday. A: The weather was bad B: The weather was good C: The bad weather D: The good weather