【单选题】1876-1878 年,恩格斯写出了( ),全面阐述了马克思主义理论体系。
【单选题】Great changes ___________ in my hometown over the years. A. take place B. have taken place C. is taking place D. taked place
【单选题】Can you tell me the best way _____ the problem? [ ]
【单选题】Peace and development remain the permanent themes of our times, _____ the world we live in is anything but quiet. [ ]
【简答题】1876-1878年,恩格斯写出了( ),全面阐述了马克思主义理论体系。
【单选题】Only with this can you solve the problem.
【单选题】关于电场线以下说法错误的是 ( )
A.
电场线总是从正电荷(或无穷远)到负电荷(或无穷远)
【单选题】Only in this way ______ solve the problem.
【单选题】If what you say is not ________ with what you do, it will have a bad effect on your children. [ ]