一、词汇运用
认真阅读下面短文,根据语篇内容,在空白处填入括号内单词的正确形式或时态,使短文通顺、连贯。
$In a small (^1)$$(European) village lived an inventor named Alex. Alex loved to create new things. He always wanted to make something that would help people in their daily lives. One day, while he (^2)$$(test) a new machine in his workshop, something amazing happened. He happened (^3)$$(find) a way to make clean water easily accessible to everyone in his village. This (^4)$(discover) was not what he was looking for, but it was a great surprise!
$Alex's (^5)$$(invent) came from his desire to help others and his endless curiosity. He always wanted to learn more and (^6)$$(far) understand how things work. His discovery led to the (^7)$(develop) of a special filter(过滤器$)that could clean water quickly and efficiently. This invention (^8)$(serve) the people of his village and many others around the world since then. They no longer have to worry about drinking water.
$Thanks to Alex, many people now have access to clean water. His story shows us that great things can happen when we try to help others and keep (^9)$$(explore). Alex reminds us that anyone can be great if they are willing to work hard and explore new (^1⁰)$(possible).
二、单项选择

1. European
2. was testing
3. to find
4. discovery
5. invention
6. further
7. development
8. has served
9. exploring
10. possibilities

1. European（形容词修饰名词village，European以辅音音素开头，用a修饰，此处无需变化）
2. was testing（while引导时间状语从句，主句用一般过去时，从句常用过去进行时，主语he，be动词用was）
3. to find（happen to do sth. 碰巧做某事，固定搭配）
4. discovery（this后接名词，discover的名词形式是discovery，由was可知用单数）
5. invention（Alex's后接名词，invent的名词形式是invention，由came可知用单数）
6. further（and连接并列成分，learn more与understand further并列，far的比较级further表示“进一步”）
7. development（the后接名词，develop的名词形式是development，不可数名词）
8. has served（since then是现在完成时的标志，主语invention是单数，助动词用has）
9. exploring（keep doing sth. 持续做某事，固定搭配）
10. possibilities（new后接名词，possible的名词形式是possibility，此处表泛指，用复数possibilities）

()1. A number of ______ will visit our school sometime next week.
A.Canadian
B.American
C.Japanese
D.Australian

C

本题主要考查名词单复数。a number of 表示“许多”，后接可数名词复数形式。A选项Canadian“加拿大人”复数形式为Canadians；B选项American“美国人”复数形式为Americans；C选项Japanese“日本人”单复数同形；D选项Australian“澳大利亚人”复数形式为Australians。本题中a number of后需接可数名词复数，四个选项中只有Japanese单复数同形，符合要求。

()2. —Have you ______ Albert Einstein?
—Yes. He is regarded as one of the greatest persons in the world.

A.heard
B.heard from
C.listened to
D.heard of

D

首先分析各个选项的含义，A选项“heard”意为“听见”，强调听的结果，通常接声音等；B选项“heard from”意为“收到……的来信”，后面常接人；C选项“listened to”意为“听……”，强调听的动作，后面接听的对象；D选项“heard of”意为“听说”，表示知道某人或某事的存在或情况。根据答语“He is regarded as one of the greatest persons in the world.”可知，这里是在询问是否知道阿尔伯特·爱因斯坦这个人，所以应该用“heard of”。

()3. —We have entered a world where robot operations become true with 5G technology.
—Hard to believe! Scientists are full of ______ which leads to great changes in our life.

A.attraction
B.invention
C.position
D.introduction

B

本题考查名词词义辨析。题干的意思是：“——我们已经进入一个5G技术使机器人操作成为现实的世界。——难以相信！科学家充满了______，这给我们生活带来了巨大的变化。”
选项A，“attraction”的意思是“吸引力”，通常指某物或某人吸引他人的特质或力量，在此上下文中不适用。
选项B，“invention”的意思是“创造力”或“发明”，指科学家们通过他们的创造力和发明给生活带来了巨大的变化，符合语境。
选项C，“position”的意思是“位置”或“职位”，在此上下文中不适用。
选项D，“introduction”的意思是“介绍”或“引进”，在此上下文中不适用。
题干中上文提到“5G技术使机器人操作成为现实”，下文提到“这给我们生活带来了巨大的变化”，说明科学家们通过他们的创造力和发明给生活带来了巨大的变化，因此“invention”符合题意。