Though Han Xiaolin was born and brought up in China, he can speak _____ English.
A smooth
B flowing
C fluid
D fluent
第1题:
He()to Shanghai for I saw here a minute ago.
A. can't go
B. can't have gone
C. didn't go
第2题:
A. can’t go
B. can’t have gone
C. didn’t go
第3题:
以han和hat分别代表一个斜齿轮的法面齿顶高和端面齿顶高,则两者之间的关系为()。
A.han>hat
B.han<hat
C.han=hat
D.不定
第4题:
He______________be hungry一he's just had lunch.
A. can't
B. must
C. ought to
D. might
第5题:
____ I?know,?there?isn’t?such?a?word?in?English.
A、As much as
B、So far as
C、As long as
D、As soon as
第6题:
使用IBk分类器和SMO分类器对vote.arff分别进行分类,由其输出的结果可知()。
A.IBk正确分类百分比比SMO大
B.IBk对republican的分类正确率比SMO大
C.SMO对democrat的分类正确率比IBk小
D.SMO对democrat和republican的分类正确率都比IBk大