第31题:[单选题] According to Buys Ballot's law,when an observer in the Northern Hemisphere experiences a northwest wind,the center of low pressure is located to the ______. A. northeast B. west-southwest C. northwest D. south-southeast 参考答案:B 【参考译文】根据白贝罗定律,当测者在北半球遇到西北风,低压中心位于西到西南方。 【解 析】Buys Ballot's law白贝罗定律是根据风向判断高低气压方位的法则,在北半球背风而立,低压在左前方,高压在右后方,南半球反之。