一、根据句意及中文提示完成单词或短语。
1. (2023·江苏无锡惠山区三模)Of all the great (发明家)in history, I admire Thomas Edison most.
2. Marco Polo was one of the first (欧洲人)who came to China.
3. The woman is a great (斗士)who is working for a better environment.
4. Three quarters of (俄罗斯人)live in cities.
5. The Chinese scientists are warmly welcomed by (南非人).

1. inventors 2. Europeans 3. fighter 4. Russians 5. South Africans

二、用括号中所给单词的适当形式填空。
1. Jim is an (Italy), but he speaks Chinese very well.
2. One of the most famous (science)to study adaptation(适应)was Charles Darwin.
3. Nelson Mandela (fight)for the rights of African people all his life.
4. It is said that an ancient Chinese ruler called Shen Nong was the first person (discover)tea as a drink.
5. The Communist Party of China has struggled for freedom and (right)of all the Chinese since 1921.

1. Italian 2. scientists 3. fought 4. to discover 5. rights

三、单项选择。
()1.(2023·江苏扬州树人学校一模)Christopher Columbus was explorer from European country.

A.a；an
B.an；a
C.a；a
D.an；an

1. B 【点拨】由句意可知，空处均表示数量“一”，应用不定冠词。explorer 以元音音素开头，所以第一空用 an；European 以辅音音素开头，所以第二空用 a。故选 B。

()2.Our country has made great progress in the fight blue skies and clear waters.

A.in
B.for
C.at
D.between

2. B 【点拨】the fight for 意为“为……的奋斗”。故选 B。

()3.Franklin electricity and Edison the electric light bulb.

A.discovered；invented
B.discovered；discovered
C.invented；invented
D.invented；discovered

3. A 【点拨】discover 指发现早已存在的事物；invent 指发明从未存在过的东西。故选 A。