【单选题】It was ______ cold winter night and the moon was shining brightly across ____ night sky.
【单选题】I have had _____cold. So I must go to see the doctor.
【判断题】混凝土强度试验,试件尺寸愈大,强度愈低。
【单选题】On the way home, sky grew dark, and cold rain began to fall.
【判断题】系统科学理论深化了事物联系的性质,也补充了事物联系的形式。
【单选题】哪位作者在《我们》诗歌中指出:“我们是谁”?“我们是十二万五千万的工人农民!”