第23题:[单选题] Variation in a compass is caused by ______. A.Worn gears in the compass housing B.Magnetism from the earth's magnetic field C.Magnetism within the vessel D.Lack of oil in the compass bearings 参考答案:B 【参考译文】罗经差是由地球磁场的磁性引起的。 【解 析】magnetic field磁场
第34题: [单项选择]The two Koreans signed a deal to allow _____. A. reunion of the two nations B. reunion of the governments C. reunion of families separated D. return of former South Korean prisoners 参考答案:C 答案解析:[听力原文]6-7
The two Koreans signed a deal last Friday to allow re- unions of families separated si