A:
B:
C:
近代以来沙俄加紧对新疆侵略,通过军事威胁、外交讹诈等手段强迫清政府签订的一系列不平等条约有( )
①中俄《瑷珲条约》 ②中俄《伊塔通商章程》 ③中俄《堪分西北界约记》④中俄《伊犁条约》
Parents advised me to communicate with my head teacher about the problem ________.
试比较俄国二月革命和十月革命的不同点。
—I think teenagers should not be allowed to get car licenses.
—I agree. They are not _______.