题目

猪肉价格成了消费者聊的最近最多的话题之一。从今年3月特别是6月以来，我国猪肉价格持续上涨，这使得各地居民“菜篮子”增加了重量。下列正确反映猪肉价格上涨对相关行业的影响的传导路径是①生活成本增加 ②推动生猪养殖业发展③减少猪肉购买量④扩大养猪规模 ⑤养殖户收入增加 ⑥牛羊鸡肉消费量增加A.①一③—⑥ B.③一②—① C.③—①一⑥ D.⑤一④一②______ once every two years, whether it is a car, a bus or a lorry, is the rule that all drivers must obey in our country. A．Having been examined                   B．Examined C．Examining                             D．Being examined