① Why do you like spring? ____     A. I went home at 9：20.

② When did you go home last night?____     B. They are thirty “five yuan”

③ Was there a library in your school before? ____     C. Because I can fly kites.

④ How much are your pants?  ____     D. It’s big and bright.

⑤ What’s your new room like?   ____     E. No, there wasn’t.

我县是湖南省产粮大县．下图是水稻田生态系统中的食物网，请据图回答有关问题：

给下列加线字注音：

长眠____  骸_____骨  猛犸____  乌____有

潜____行  引颈____  葱茏____  档____案

如图，在平面直角坐标系中，抛物线y=ax²+bx+1交y轴于点A，交x轴正半轴于点B（4，0），与过A点的直线相交于另一点D（3， $\frac{5}{2}$ ），过点D作DC⊥x轴，垂足为C．