若将直尺的0cm刻度线与半径为5cm的量角器的0º线对齐，并让量角器沿直尺的边缘无滑动地滚动（如图），则直尺上的10cm刻度线对应量角器上的度数约为（   ）

阅读下面材料，在空白处填入适当的内容或括号内单词的正确形式。

    There are all kinds of festivals throughout the world. Festivals are held____ (satisfy) and please the ancestors, to honor some famous people or important____(event), and to express people's gratitude to the God for bringing them a year of plenty. For example, in India, October 2 is ____national festival to honor  Mahandas Gandhi, the leader____helped gain India's ____(depend) from Britain.____ (tradition), in China the Spring Festival, which ____(celebrate) in January or February, is the most ____(energy) and important because it is a festival that looks forward____the coming of spring. Why are all these festivals everywhere? Because during the festivals, people can get together to eat, drink and have fun with each other,____ (forget) all the daily struggle and demands for a while.

选词填空。

迈进    前进

他们____的速度也是非常慢的，朝着云雾茫茫的珠穆朗玛峰巅勇敢地____。

衰弱    虚弱

这时，刘连满因为过度疲劳，体力已经非常____，每走一步就会不自觉地摔倒。在身体极度____和严重缺氧的情况下，还要摸黑进行高山行军。

蒙咙    朦胧    曚昽

太阳像遮上了一层纱，____可见其轮廓。我在____中，眼前现出一片海边的沙地来。举目四望，____的夜色中，珠穆朗玛山区群峰的座座黑影，都匍匐在他们脚下。

短文改错

假定英语课老师要求同桌交换修改作文，请你修改同桌的一下作文。文中共有10处语言错误，每句最多两处。每处错误仅涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意： 1. 每处错误及修改均仅限一词；2. 只允许修改10处，多者（从第11处起）不计分。

    It is well-known that good habits do us good all our life. Entered high school, I took delight in having fast food and often eat too much. In the end, I was so serious overweight that I suffered a lot from my awkward appearance. It made matters worse was the fact that my classmates made a fun of me at times. From now on, I made up my mind to avoiding snacks. In the meanwhile, I took off jogging to lose weight. To my surprise, it was not long until I did succeed in creating my new appearance. Only then I start to appreciate the importance of developing a good habit.