【单选题】Dinosaur scientists can probably know whether dinosaurs were good parents by ______.
A.
watching many kinds of animals
B.
studying dinosaurs' living relatives
C.
following the tracks left behind
D.
working on dug-out dinosaur eggs
【单选题】副光的作用是弥补主光不足,使阴面有( )的亮度。
【判断题】Marie's parents watched a romantic movie on their first date.
【判断题】Marie's parents met with each other in London.
【判断题】Marie's parents used to be in the same class.
【单选题】( )是披头士乐队的故乡、体育运动之城、埃弗顿足球俱乐部所在地。