三、克漏字測驗【請依照段落上下文意，選出最適當的答案】
The sun is a huge, fiery globe of gas. Every now and then, it sends out massive waves of charged particles that 16 speeds upwards of a million kilometers an hour. These charged particles interact with our magnetic
northern and southern poles, 17 a breathtaking light show that enthralls all its viewers.
These light shows are known as auroras. Since Earth’s magnetic field is strongest at its poles, auroras appear
most brightly near the North and South Pole. They are not 18 because they occur at any time of the year.
Auroras appear as slowly moving curtains, bands, spots of color, and a variety of other shapes that shift across the sky.
They can also exhibit more than one color at a time. The colors, ranging from purple to green, 19 on the
altitude of oxygen and nitrogen penetrated by solar energy. The most common color on view is green because it is at
lower altitudes and people can see green the easiest. Photographing the breathtaking auroras is not difficult, but
photos don’t do them 20 . Viewing auroras is something that needs to be experienced in person.
【題組】19. (A) to depend (B) depend (C) depending (D) dependent
寫作批改
VIP與詳解卡管理
