二、阅读文本,在方框内挑选适当的不定代词填空。
somebody everybody everything nobody nothing
Yesterday, I was getting ready to go out when I realized I couldn't find my key. I looked everywhere, but it was gone. I felt very unhappy. I asked 1. in the house, but 2. seemed to have a clue (线索).
I began to search for it again. I checked my bag, the hallway, and even the garden, but 3. was there. I was about to give up when I heard a knock on the door.
It was my neighbour, Mrs Cheng. She was holding my lost key. "I found this on the ground outside your door," she said with a smile.
I was so grateful and thanked her. Sometimes, even when 4. seems to be lost and out of control, 5. might appear and offer to help. It was a small act of kindness, but it made my day.

1. everybody 2. nobody 3. nothing 4. everything 5. somebody

【分析】首先明确所给不定代词的含义：somebody（某人）、everybody（每个人）、everything（一切事物）、nobody（没有人）、nothing（没有什么）。再逐句结合语境分析：第1句是询问房子里的所有人，选对应不定代词；第2句是转折后表示没人有线索，选对应词；第3句是表示没找到任何东西，选对应词；第4句是指所有事物似乎失控，选对应词；第5句是指某人出现帮忙，选对应词。
【解析】根据不定代词的词义及上下文语境分析：
1. 句意为“我问房子里的每个人”，everybody表示“每个人”，符合语境，故填everybody；
2. 句意为“但没人有线索”，nobody表示“没有人”，符合转折语境，故填nobody；
3. 句意为“但什么都没有”，nothing表示“没有什么”，符合找不到钥匙的语境，故填nothing；
4. 句意为“即使一切似乎都丢失失控”，everything表示“一切事物”，符合语境，故填everything；
5. 句意为“某人可能出现帮忙”，somebody表示“某人”，符合语境，故填somebody。
【答案】1. everybody 2. nobody 3. nothing 4. everything 5. somebody
【知识点】不定代词的词义辨析、语境运用
【点评】本题考查不定代词在具体语境中的运用，需准确理解各不定代词的含义，结合上下文语义选择合适词汇，属于基础题型，难度适中。
【难度系数】0.7

三、语篇填空
阅读短文，在空白处填入一个适当的单词或用括号内所给词的正确形式填空，使短文通顺、连贯。
Dinosaurs lived on Earth long before humans. They were amazing creatures that ruled the planet for ¹. (million) of years. Dinosaurs came in all shapes and sizes. Some were as small as chickens, while others were ². same as big houses!
One of the ³. (famous) dinosaurs is the Tyrannosaurus Rex（霸王龙）, or T-Rex for short. It was a huge meat-eater with sharp teeth and ⁴. (power) legs. The T-Rex was a cruel hunter, ⁵. it was very slow. Another well-known dinosaur is the Triceratops（三角龙）. They were plant-eaters and used their horns（角） to protect ⁶. (they) from predators（捕食者）. Not all dinosaurs were scary. The Brachiosaurus（腕龙） were gentle giants. They had long necks and tails and ate leaves from tall trees.
Scientists study dinosaur bones ⁷. (learn) about their lives. These bones are called fossils. Fossils help us understand how dinosaurs looked and what they ate. Dinosaurs ⁸. (appear) about 65 million years ago. Scientists are still trying to find ⁹. the reason. Some think a big asteroid（小行星） hit the Earth, while others believe there were big changes in the climate. ¹⁰. knows for sure.

1. millions 2. the 3. most famous 4. powerful 5. but
6. themselves 7. to learn 8. disappeared 9. out 10. Nobody

【分析】
本题为语篇填空，需结合固定搭配、词性转换、语法规则及上下文语境解题。具体思路：1. 第1空考查固定搭配“millions of”；2. 第2空考查固定短语“the same as”；3. 第3空考查“one of+形容词最高级”结构；4. 第4空需将名词转换为形容词修饰名词；5. 第5空根据前后分句逻辑选转折连词；6. 第6空考查反身代词用法；7. 第7空用不定式作目的状语；8. 第8空根据语境和时间状语选动词过去式；9. 第9空考查固定短语“find out”；10. 第10空根据语境选不定代词。
【解析】
1. 固定搭配：“millions of”表示“数百万的”，故填millions；
2. 固定短语：“the same as”意为“与……相同”，需加定冠词the，故填the；
3. 形容词最高级：“one of + 形容词最高级+名词复数”表“最……之一”，famous的最高级为most famous，故填most famous；
4. 词性转换：修饰名词legs需用形容词，名词power的形容词形式为powerful，故填powerful；
5. 连词：前后分句为转折关系，故填but；
6. 反身代词：“protect oneself”表“保护自己”，主语为they，对应反身代词themselves，故填themselves；
7. 非谓语动词：不定式作目的状语，表“为了了解”，故填to learn；
8. 动词时态：根据“about 65 million years ago”用一般过去时，结合语境“恐龙消失”，故填disappeared；
9. 固定短语：“find out”意为“查明”，故填out；
10. 不定代词：根据语境“没人确切知道原因”，故填Nobody。
【答案】
1. millions 2. the 3. most famous 4. powerful 5. but 6. themselves 7. to learn 8. disappeared 9. out 10. Nobody
【知识点】
固定搭配、词性转换、形容词最高级
【点评】
本题为初中英语常见语篇填空题，侧重考查基础词汇、固定搭配及语法规则的运用，需结合语境分析，难度适中，能有效检验学生的基础语言能力。
【难度系数】
0.6