A.to preserve
B.to preserving
C.to have preserved
D.preserving
[单选题]Is English a [compulsory]subject in primary schools?A.necessaryB.significan
[单选题]5. —Why do you like Beijing Opera?—Because I can _______a lot _________Chinese history.A. learn; aboutB. study; aboutC. learn; forD. study; for
[单选题]( )with traditional contexts,the Internet-based learning environment provid
[单选题]( )with traditional contexts,the Internet-based learning environment provid
[单选题]This passage is intended to __________.A. discuss part-time jobs for students in generalB. encourage students to take up part-time jobsC. show the benefits of part-time jobs to students' studiesD. praise boys and girls who work part time
[单选题]The passage is intended to _____________A. warn us of the danger in the subwayB. show US how to save people in the subwayC. tell US about a subway rescueD. report a traffic accident
[单选题]The ad is mainly intended to .A. encourage the British to travel in ChinaB. attract the British to traditional Chinese foodC. offer service of booking air tickets to touristsD. provide the British with a better understanding of China.
[单选题]The passage is intended to advise people______.A.to make use of rubbishB.to save energy and waterC.to recycle reusable productsD.to have a green living
[试题]Thetraditionalapproach_________withcomplexproblemsistobreakthemdownintosmaller,moreeasilymanagedproblems.A.)todealingB)indealingC.)dealingD)todeal
[单选题]Which is not the characteristic of operating system?A.resource managementB.transaction managementC.memory managementD.disk management