日语
韩语
法语
德语
西班牙语
意大利语
阿拉伯语
葡萄牙语
越南语
俄语
芬兰语
泰语
第一节 单项填空（共15小题；每小题1分，满分15分）：
从每题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上涂黑。
21. A satellite is _______ object, either natural or manmade, which travels in an orbit round another object in _____space.
A. an; / B. /;/ C. an; the D. the; the
22. In the reading room, we found her ____ at the desk, with her attention ____ on a book.
从每题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上涂黑。
21. A satellite is _______ object, either natural or manmade, which travels in an orbit round another object in _____space.
A. an; / B. /;/ C. an; the D. the; the
22. In the reading room, we found her ____ at the desk, with her attention ____ on a book.
