Ⅱ. Choose the best answer（选择最恰当的答案）
In the northernmost part of the village stood a narrow path unknown to most travellers. During winter, it was almost invisible because the ground 21 with thick snow. The locals often warned children not 22 too far, but Emily, who had always been curious, considered 23 brave to do a little exploring on her own.
One afternoon, just before sunset, she followed the hidden path deeper into the forest. The air grew colder, and the branches above her head were heavy with frost. She was about to turn back when she noticed something 24 weakly near a fallen tree. It was a wounded snow owl. Its wing bent at an unnatural angle.
Emily knelt beside it. The owl blinked slowly but made no attempt to fly. She looked around and found a small wooden house nearby, 25 must have belonged to a hunter long ago. She pushed the door open; the place was dusty but still usable. She gently lifted the owl and carried it inside. Then she 26 it carefully on her scarf, spreading the cloth like a soft bed.
The house was dark and cold, and Emily knew the owl would not survive 27 it stayed warm. She gathered dry branches from the corner and made 28 small fire. As the room brightened, she saw the owl relax slightly.
Outside, the wind blew fiercely against the window, warning her that she couldn't stay any longer. Emily added a few more dry branches so that the heat 29 a while. She placed a small bowl of melted snow by the owl's side, then closed the door carefully behind her.

Walking back along the narrow, snowy path, she kept her hands in her pockets and focused on the footprints she had made earlier. The forest was silent 30 the snow breaking with each step. Emily wasn't sure what she would find when she returned the next day — whether the owl would be stronger, or gone — but she knew she had done what she could for now.
() 21. A. covered B. was covered C. is covered
() 22. A. walk B. walking C. to walk
() 23. A. it B. it is C. is
() 24. A. move B. moving C. to move
() 25. A. which B. who C. that
() 26. A. laid B. lay C. lied
() 27. A. until B. if C. unless
() 28. A. / B. a C. the
() 29. A. will last B. would last C. lasted
() 30. A. except for B. except C. besides

21. B 22. C 23. A 24. B 25. A 26. A 27. C 28. B 29. B 30. A

【分析】
本题为英语完形填空选择题，需结合语境、固定搭配、语法知识（被动语态、非谓语动词、定语从句、时态等）逐一分析：
1. 第21题：考查被动语态及时态，主语ground是cover的承受者，结合文章过去时态，需用一般过去时的被动语态；
2. 第22题：考查固定搭配warn sb (not) to do sth，直接匹配结构；
3. 第23题：考查固定结构consider it + adj + to do sth，it作形式宾语；
4. 第24题：考查非谓语动词，notice sth doing sth表动作正在进行；
5. 第25题：考查非限制性定语从句，先行词是物，用which引导；
6. 第26题：考查动词辨析，区分lay（放置）、lay（躺）、lied（撒谎）的过去式；
7. 第27题：考查连词辨析，unless表“除非”，符合条件逻辑；
8. 第28题：考查冠词，固定短语make a fire需用不定冠词；
9. 第29题：考查时态，so that引导的目的状语从句，主句过去时对应过去将来时；
10. 第30题：考查介词辨析，except for用于整体中排除细节。
【解析】
1. 21题：主语the ground与cover是被动关系，文章为过去时态，故用一般过去时的被动语态was covered，选B；
2. 22题：固定搭配warn sb not to do sth，此处为warn children not to walk，选C；
3. 23题：固定结构consider it + adj + to do sth，it作形式宾语，真正宾语是to do a little exploring，选A；
4. 24题：notice sth doing sth表示“注意到某物正在做某事”，此处指猫头鹰微弱移动，选moving，选B；
5. 25题：非限制性定语从句，先行词是物house，关系代词用which，选A；
6. 26题：lay（放置）的过去式是laid，lay（躺）过去式为lay，lied意为“撒谎”，此处指放置猫头鹰，选A；
7. 27题：句意“除非它保持温暖，否则猫头鹰活不了”，unless符合逻辑，选C；
8. 28题：固定短语make a fire（生火），用不定冠词a，选B；
9. 29题：so that引导目的状语从句，主句为过去时，从句用过去将来时would last，选B；
10. 30题：except for用于整体中排除细节，此处森林整体安静，除踩雪声，选A。
【答案】
21.B 22.C 23.A 24.B 25.A 26.A 27.C 28.B 29.B 30.A
【知识点】
被动语态、固定搭配、定语从句
【点评】
本题为初中英语完形选择题，涵盖核心语法和固定短语，需结合语境分析，难度适中，适合中等水平学生练习。
【难度系数】
0.5