A：呼吸系统
B：运动系统
C：循环系统
D：神经系统
补写出下列名篇名句中的空缺部分。
①逝者如斯，而未尝往也，____，____。（《赤壁赋》）
②最能体现***在《沁园春·长沙》中“发黄钟大吕之强音”的一问是“____， ____？”
③是故弟子不必不如师，师不必贤于弟子。____，____。如是而已（《师说》）
④故木受绳则直，金就砺则利，____，____。（《劝学》）
⑤自其变者而观之，____。自其不变者而观之，____，而又何羡乎？
A. What about you?
B. What shall we take?
C. How shall we get there?
D. Would you like to go with me?
E. When and where shall we meet?
F. Shall I tale some food?
G. What are you going to do?
A: Hi, Tom. The weekend is coming.____
B: Nothing much. ____
A: I'm going to watch the sports meet.____
B: I'd love to. ____
A: A bottle of water and a camera.
B: ____
A: Let's make it half past seven at the school gate.
B: OK. See you tomorrow.
A: See you.
表面积和体积的计算方法不同．如计算正方体的表面积是：____×____×6．计算正方体的体积是____×____×____
