如图所示，质量为m的小物体沿14弧面无初速度滑下，圆弧的半径为R，A点与圆心O等

This is my school. There are many trees and flowers. The teaching building is big and tall. There is a big playground in our school. It’s very nice to have it. After 4:30 in the afternoon, many students come to the playground to play football and some students play table tennis in the table tennis room.

There are 1,200 students in 30 classes in our school. The students all like to study. The teachers in our school are very good. They help the students to study and sometimes play with them. All the students like them.

小题1:The teaching building is _____.

A．small

B．old

C．big and tall

D．big小题2:It’s very nice for this school to have ____.

A．trees and flowers

B．a playground

C．students

D．teachers小题3:There are at least (至少) _____ students in one class.

A．45

B．40

C．75

D．60小题4:After class the students often go to _____.

A．their classroom

B．their homes

C．the playground

D．their homes小题5:What may(可能) teachers NOT DO?

A．Give the students lessons.

B．Play football and table tennis with the students.

C．Don’t like some students.

D．Help students study

俗话说“失去了才懂得珍惜”。时间过得很快，你们即将初中毕业。同学，你是否在学习上有一些让你感到遗憾或后悔的事情呢？如果在过去三年中，你某学科弱；你错过了很多机会；假如再给你一次机会，你会尽最大努力学习吗？比如：课前预习、上课听讲、及时复习、认真作业……

请你以“Give Me One More Chance”为题，写一篇80词左右的短文，告诉我们你的想法。开头已给出，不计入单词总数。

温馨提示: 1.短文中请勿使用真实姓名、地点或所在学校名称。

2.这些单词或短语也许对你有帮助：be weak in，regret(后悔)，what if，never too late to learn，preview（预习），practice, go over, as … as possible, try one’s best

Give Me One More Chance

How time flies! We have spent three years living and studying together in the school.

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带下病的主要发病机制是（）

A.外感湿邪，损及任、带，约固无力

B.肾气不足，封藏失职，阴液滑脱而下

C.湿邪影响任、带，任脉不固，带脉失约

D.脾虚生湿，流注下焦，伤及任、带

E.肝经湿热，流注下焦，伤及任、带

红军长征的下列史事，没有发生在今川西的是（）

A.四渡赤水

B.翻越雪山

C.穿过草地

D.飞夺泸定桥

叙述裂解炉的投料过程（全部为液体原料）。