1 . Earth Day,______(mark) on 22 April, is an annual event aiming to raise public awareness about environmental protection. (所给词的适当形式填空)

2 . The research group produced two reports ______ (base) on the survey, but neither contained any useful suggestions. （用所给单词适当形式填空）

3 . The five young men______by the police last week are being questioned in connection with one of the attacks.

A．arrested

B．to be arrested

C．being arrested

D．arresting

4 . 阅读下面句子，根据句子内容填空。在未给提示词的空白处仅填写一个单词，在给出提示词的空白处用括号内所给词的正确形式填空。
1. I’ll never forget the day ________ I won the first prize in the 100-metre race in school.
2. No one can avoid ________ (make) mistakes while learning a foreign language.
3. Last night, there were millions of people ________ (watch) the live TV programme.
4. Many countries are setting up national parks ________ animals and plants can be protected.
5. ________ makes the book so extraordinary is the creative imagination of the writer.
6. After the journey, I shared with my friends many photos ________ (take) in Hainan.
7. The plan is nice，but my question is ________ they can master this skill.
8. It has been proved ________ eating vegetables in childhood helps to protect you against serious illnesses in later life.
9. ________ (select) from the whole school, they are expected to bring us honor in the coming game.
10. Let me tell you ________ we met, so you will know why we’ve become good friends.

5 . 请用方框中单词的正确形式完成句子，并将答案书写在答题纸相应位置。

origin        energy        distant        update        vary

1. Music can help you go through _________ periods.
2. The Internet can remove the _________ that usually exists between people.
3. We can get the most _________ information from large databases.
4. I prefer your _________ plan to this one.
5. The _________ and positive young people tend to show interest in their work.

6 . 在下列句子中的空白处填入适当内容或括号内单词的正确形式。
1. I began to think how wonderful it was ________(see) the power of nature.
2. Captain Scott left a record, for honesty, for sincerity, for bravery, for everything that________(make) a man.
3. People in Amsterdam___________(enjoy) the benefits of cycling for years.
4. He engaged in a wide range of exercises ___________(design) to rebuild muscle, and made remarkable progress.
5. Tu Youyou is a scientist________work is internationally renowned.

7 . She insisted that she ________ at the airport the suspect (嫌疑人)________ her husband's murder two years before.

A．had seen; associating with	B．should see; associated with
C．see; associated with	D．had seen; associated with

8 . At last, people ___________ in the collapsed building were rescued.

A．were trapped	B．are trapped
C．trapped	D．being trapped

9 . The new theme park, _________ last year, has received 27 million visitors so far.

A．open	B．opened
C．being opened	D．to open

10 . A new engineer was appointed to deal with the products _________ by customers.

A．returning	B．returned
C．to return	D．return