徐州自古乃兵家必争之地，历史上多次重大战役都围绕着徐州展开。其中，抗日战争和解放战争时期与此有关的重大战役分别是（ ）
A：百团大战和台儿庄战役
B：台儿庄战役和淮海战役
C：平型关大捷和平津战役
D：淮海战役和渡江战役
完形填空。
This is a photo 1 a classroom. It's2 classroom. Look 3 the walls (墙). They4 white. You can see5old photo 6 the wall. What can you see7 the photo? This is 8 desk. 9 English book is on it. These are 10. They're on the desk too.
关于长江三角洲农业发展的地理环境的叙述，正确的是（ ）
I like wear it.
