What can be inferred about the professor？
A. He is not very polite to his class.
B. He encourages the students to participate.
C. He is not very interested in the topic.
D. He is probably a good dancer.
查看答案
白虎观会议是由汉()帝主持的。
A. 桓
B. 明
C. 章
D. 灵
Why does the man go to see his professor？
A. To prepare for the next midterm
B. To clarify a question from the midterm
C. To find out his grade on the midterm
D. To complain about his grade on the midterm
设集合A＝｛1，2，a，b｝，B＝｛2，4，c，d｝，已知A ∪ B＝｛1，2，3，4，5，6｝，A ∩ B＝｛2，4)，A－B＝｛1，3｝，那么a，b，c，d可以是[ ]．
A. a＝3，b＝5，C＝1，d＝5
B. a＝5，b＝6，C＝3，d＝5
C. a＝4，b＝5，C＝3，d＝6
D. a＝3，b＝4，C＝5，d＝6
According to the professor, what does the term balletti mean？
A dramatic story
B. A parade of horses
C. A dance done in figures
D. An outdoor entertainment
微信支付 
支付宝支付