A:2
B:﹣2
C:2或﹣2
D:任意实数
— I hear that John has gone to Japan for a visit. Do you know it? — He made no ________ of his journey before.
2014两会“实名制”矿泉水亮相,服务员们“沏茶倒水”的场景不再出现,取而代之的是为每名委员提供一瓶矿泉水,而且每瓶矿泉水上还贴有委员名字.相关说法不正确的是( )
答案: ____