一、用括号内所给单词的正确形式填空。
1. The (effect) of global warming are becoming more obvious with rising temperatures worldwide.
2. In the novel, the main character must defeat his (enemy) to save the village.
3. Modern (explorer) use technology to dive deep into the ocean and study marine life.
4. The song sounds beautiful and it (express) feelings of hope and courage during difficult times.
5. She was (embarrass) because she suddenly forgot the boy's name.
6. (fail) is the mother of success. Don't be afraid of making mistakes.
7. We all have our own (fear), but we can learn to be brave.
8. When planning a trip, (first), you should check the weather forecast for safety. Secondly, you should book your tickets and hotels ahead.
9. The sudden storm (force) us to cancel our outdoor picnic and stay inside yesterday.
10. In many Asian countries, people use chopsticks instead of knives and (fork) when eating.

1. effects
2. enemies
3. explorers
4. expresses
5. embarrassed
6. Failure
7. fears
8. firstly
9. forced
10. forks

【分析】
本题为英语用所给单词正确形式填空题型，需结合句子结构、语法规则（词性、单复数、时态等）及语境变形。解题思路：1. 定冠词后接名词，结合谓语动词的单复数确定名词形式；2. 形容词性物主代词后接名词，根据语境判断单复数；3. 主语为人时，结合语境确定对应名词；4. 主语为第三人称单数时，一般现在时动词需变形；5. 描述人的感受用ed结尾的形容词；6. 句首作主语用名词，注意首字母大写；7. 形容词性物主代词后接名词，结合语境用复数；8. 与secondly对应，用副词形式；9. 结合时间状语确定动词过去式；10. 与并列名词保持单复数一致。
【解析】
1. 定冠词the后接名词，谓语are为复数，故将effect变为复数effects；
2. his后接名词，语境中敌人不止一个，故将enemy变为复数enemies；
3. modern后接表示人的名词，谓语use为复数，故将explorer变为复数explorers；
4. 主语it为第三人称单数，一般现在时，故将express变为expresses；
5. 描述人的感受，用embarrass的ed形式形容词embarrassed；
6. 句首作主语用名词，故将fail变为Failure，首字母大写；
7. our own后接名词，语境中恐惧不止一个，故将fear变为复数fears；
8. 与secondly对应，用first的副词形式firstly；
9. 时间状语yesterday表过去，故将force变为过去式forced；
10. 与knives并列，fork用复数形式forks。
【答案】
1. effects
2. enemies
3. explorers
4. expresses
5. embarrassed
6. Failure
7. fears
8. firstly
9. forced
10. forks
【知识点】
英语词性转换、名词单复数、动词时态
【点评】
本题考查初中英语基础词汇的形式变化，涉及词性转换、名词单复数、动词时态等核心语法点，侧重词汇在语境中的正确运用，是常见的基础题型。
【难度系数】
0.8

二、从方框中选择适当的单词或短语并用其正确形式填空。每个单词或短语限用一次。

1. When I passed by, I saw him the library with a pile of books in his arms this morning.
2. ______ the movie was very long, we all enjoyed it from beginning to end.
3. We need to become these safety instructions before the experiment.
4. He checks his phone to see if there are any new messages.
5. With great , he finally solved the challenging maths problem by himself.
6. Listening to some cheerful music helped her feel better when she yesterday.
7. We decided to because no one wanted to cook dinner after the long trip.
8. , we should try to use less plastic to protect our environment.
9. they joined the club, they have made many new friends.
10. She used her knowledge to help a man who fell off his bike yesterday.

1. entering
2. Even though
3. familiar with
4. from time to time
5. effort ( s )
6. felt blue
7. eat out
8. From now on
9. Ever since
10. first aid

【分析】
本题为选词填空题，需先掌握方框内各单词/短语的含义及用法，再结合每个句子的语境、时态、固定搭配、句式结构等，选择合适的词并调整为正确形式，且每个词/短语限用一次。
【解析】
1. 句意为：今早我经过时，看见他抱着一堆书进图书馆。see sb. doing sth.（看见某人正在做某事）是固定结构，enter的动名词形式为entering，故填entering。
2. 句意为：虽然这部电影很长，但我们从头到尾都很喜欢它。even though（虽然，即使）引导让步状语从句，符合语境，故填Even though。
3. 句意为：实验前我们需要熟悉这些安全说明。be familiar with（熟悉）是固定搭配，故填familiar with。
4. 句意为：他时不时检查手机看是否有新消息。from time to time（时不时，有时）符合语境，故填from time to time。
5. 句意为：付出巨大努力，他最终自己解决了这道有挑战性的数学题。with great effort（付出巨大努力），effort为可数名词，此处可单数也可复数，故填effort(s)。
6. 句意为：昨天当她心情不好时，听欢快的音乐帮她感觉好点。feel blue（心情不好），由yesterday可知用一般过去时，feel的过去式为felt，故填felt blue。
7. 句意为：长途旅行后没人想做饭，所以我们决定出去吃。decide to do sth.（决定做某事），eat out（出去吃饭）符合语境，故填eat out。
8. 句意为：从现在开始，我们应该少用塑料来保护环境。from now on（从现在开始）符合语境，故填From now on。
9. 句意为：自从他们加入俱乐部，就交了很多新朋友。ever since（自从）引导时间状语从句，主句用现在完成时，从句用一般过去时，符合语境，故填Ever since。
10. 句意为：昨天她用急救知识帮助了一个从自行车上摔下来的人。first aid（急救）修饰knowledge，符合语境，故填first aid。
【答案】
1. entering
2. Even though
3. familiar with
4. from time to time
5. effort(s)
6. felt blue
7. eat out
8. From now on
9. Ever since
10. first aid
【知识点】
动词形式变化；短语辨析；固定搭配
【点评】
本题考查常用英语短语的运用，需结合句子语境、时态及固定搭配选择合适的词并调整形式，是基础题型，注重对基础知识的掌握。
【难度系数】
0.6