【单选题】Towards _____ evening _____ cold rain began to fall. [ ]
【单选题】It was ______ cold winter night and the moon was shining brightly across ____ night sky.
【判断题】混凝土强度试验,试件尺寸愈大,强度愈低。
【单选题】On____cold morning in___October of 2010,we all saw the first heavy snow.
【单选题】“我们是谁?我们是十二万五千的工人农民!”,《我们》这首诗的作者是()。
【单选题】Winters in ______ north of China are for_____ most part dry and cold.
【简答题】城市污水回用最具有潜力的是回用于工业冷却水、农田灌溉及()。