中学生世界九年级英语沪教版54制
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The second was paper-making. Cai Lun was generally considered as the ______2______inventor______. He lived during the Eastern Han Dynasty. He improved on earlier technology to produce a better quality paper.
The ______3______third______ was printing about 1,300 years ago. During the Sui Dynasty, woodblock printing was created to print books instead of bamboo pieces and silk. Buddhist monks (佛教徒) were ______4______among______ the earliest to use this invention to print textbooks.
The last was gunpowder, which was first made in China over 1,000 years ago. Its invention seems to be connected with the experiments of the Taoists ______5______because______ they tried to produce pills which could make people live forever. Later, the gunpowder was introduced to the West and ______6______widely______ used in guns and wars.
答案：2. inventor
解析：蔡伦被认为是造纸术的发明者，inventor 表示“发明者”。
3. third
解析：前面提到了“the second”，此处应是“the third”，表示“第三个”。
4. among
解析：among 表示“在……之中”，符合句意“佛教徒是最早使用这项发明印刷教科书的人之一”。
5. because
解析：前后句是因果关系，“因为他们试图制造长生不老药”，用 because。
6. widely
解析：此处需要副词修饰 used，widely 表示“广泛地”，符合句意“火药被广泛用于枪支和战争”。
III. Complete the sentences with the given words in their proper forms.
1. It's said that a child has
disappeared
on the way home. (appear)
答案：disappeared
解析：根据句意“据说一个孩子在回家路上消失了”，用 appear 的反义词 disappear，此处是现在完成时，用过去分词 disappeared。
2. As Chinese
citizens
, we are proud of our motherland. (city)
答案：citizens
解析：此处指“中国公民”，citizen 表示“公民”，用复数形式 citizens。
3. In our class, two
thirds
of the top students are girls. (three)
答案：thirds
解析：分数表达“三分之二”是 two thirds，分子用基数词，分母用序数词复数，选 thirds。
4. Snow White and 7 dwarfs live in a
wooden
hut in the forest. (wood)
答案：wooden
解析：此处需要形容词修饰 hut，wooden 表示“木制的”，选 wooden。
5. The Great Wall is one of the most famous
historical
places. (history)
答案：historical
解析：此处需要形容词修饰 places，historical 表示“历史的”，选 historical。
6. The Greeks sailed away but didn't take the huge horse with
them
. (they)
答案：them
解析：with 是介词，后接宾格，they 的宾格是 them，选 them。
7. The police warn that cars must be
safely
locked after they are parked. (safe)
答案：safely
解析：此处需要副词修饰 locked，safely 表示“安全地”，选 safely。
Nick
hasn't
finished all his homework
yet
.
答案：hasn't; yet
解析：现在完成时的否定句在助动词 has 后加 not，缩写为 hasn't，already 改为 yet 放句末。
2. The twins have never been to Shanghai,
have they
? (补全反意疑问句)
答案：have they
解析：反意疑问句遵循“前否后肯”原则，前面有 never，是否定，后面用肯定，助动词是 have，主语是 the twins，用 they 代替，所以是 have they。
______
How
______
quietly
the Greek soldiers climbed out of the huge horse!
答案：How quietly
解析：感叹句修饰副词 quietly，用 how，结构为 How + 副词 + 主语 + 谓语！
4. They couldn't capture the city for ten years. (对画线部分提问)
______ ______ couldn't they capture the city?
答案：How long
解析：画线部分“for ten years”表示一段时间，用 how long 提问。
5. Kitty managed to work out the Maths question by herself. (保持原句意思)
Kitty
succeeded in
working out the Maths question by herself.
答案：succeeded in
解析：manage to do sth. = succeed in doing sth. 表示“成功做某事”，原句是一般过去时，所以用 succeeded in。
6. very excited, autumn outing, about, were, the coming, the students (连词成句)
答案：The students were very excited about the coming autumn outing.
解析：主语是 the students，谓语是 were，表语是 very excited，about the coming autumn outing 作状语，连成句子即可。
