Winding through the remains of a centuries-old watchtower, a four-legged robot checked the “health” of the ancient structure at Shanhaiguan Pass. With smart sensors (传感器) and cameras, the robot can ____1____ (exact) find problems such as cracks and missing bricks and report them to related departments in real-time.

“The robot can take the place of humans ____2____ (perform) dangerous and difficult examinations, improving both the speed ____3____ quality of the Great Wall protection,” says Liu Liang, head of a research team from the Hebei Bureau of Geology and Mineral Resources Exploration.

Carefully ____4____ (check) the walls is the first step in the Great Wall protection. Zhang Peng, 38, is among the ____5____ (pioneer) who started using drones (无人机) in 2017 as part of regular checks over the walls. “Drones can help monitor (监测) walls that are ____6____ (possible) for humans to reach,” Zhang says.

In recent years, China ____7____ (put) in a lot of effort to protect the Great Wall through the use of cutting-edge technologies. These technologies make the Great Wall stronger. At the same time, they work as a bridge connecting people ____8____ the Wall and raising public awareness of its protection.

“We hope such application can inspire young ____9____ (people) love for the Great Wall and develop ____10____ stronger sense of responsibility for its future protection,” says Zhang.

1.1.

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解析：选exactly。1.答案：exactly 题型：词性转换题 解析：空格修饰动词 find，需用副词形式。形容词 exact 变为副词 exactly，意为 “精准地、确切地”。

2.2.

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解析：选to perform。2.答案：to perform 题型：非谓语动词题 解析：take the place of sb to do sth 为固定结构，意为 “代替某人做某事”，不定式作目的状语，故填 to perform。

3.3.

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解析：选and。3.答案：and 题型：固定搭配题 解析：both...and... 是固定并列短语，意为 “…… 和…… 都”，此处表示 “速度和质量”。

4.4.

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解析：选Checking。答案：Checking 题型：非谓语动词题 解析：句子缺少主语，动名词短语作主语，check 变为动名词 Checking；句首首字母大写。

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解析：选pioneers。5.答案：pioneers 题型：名词单复数题 解析：among 后接可数名词复数，表示 “在…… 之中”，pioneer 变为复数 pioneers。

6.6.

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解析：选impossible。答案：impossible 题型：词义转换题 解析：根据句意，无人机监测人类不可能到达的城墙，possible 变为反义词 impossible，意为 “不可能的”。

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解析：选has put。7.答案：has put 题型：动词时态题 解析：In recent years 是现在完成时的标志词；主语 China 为单数，故用 has put，put 的过去分词仍为 put。

8.8.

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解析：选with。答案：with 题型：固定搭配题 解析：connect...with... 是固定搭配，意为 “把…… 与…… 连接起来”。

9.9.

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解析：选people's。9.答案：people's 题型：名词所有格题 解析：此处表示 “年轻人的热爱”，用名词所有格 people's 修饰后面的名词 love。

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解析：选a。10.答案：a 题型：冠词用法题 解析：a sense of... 是固定搭配，意为 “一种…… 感”；a stronger sense of responsibility 表示 “一种更强的责任感”。