【判断题】设(G,∗)是一个半群,若存在单位元且每个元素都有右逆元,则(G,∗)是群。
【简答题】According to the text, the gap in percentage between women Ph. D. s and women profes- sors indicates that ________. [ A] universities lack competitiveness in the recruitment market [ B] a lot of women...
【单选题】选择正确的书面疑问句C'est une voiture.
【简答题】阅读理解。 Many US kids get part-time jobs while they are in middle school or high school. Students usually work on weekends. They also work in the aftemoons after school is over. They take these jobs a...
【单选题】-How long does it take us to go to your school from here? -It takes us hour or more to go to my school by bus.
【单选题】I think the headmaster is proud of us because he usually _________ us at thee school meeting.
B.
thinks highly C, is pride of D. speaks highly of
【简答题】阅读理解。 School Trip No.10 Middle School has a great school trip. You are welcome to join us! You can have fun! Date: April 4th Place: The People's Park Please call Mr Smith at 86866881 to ask anything a...
【单选题】Mary was (surprised to) realize that it was (us), her old (school friends), (calling) her from Paris.