《2025年英语同步练习与测评高中英语必修1外研版青海专版》

2 将下列每组句子合并为一个含定语从句的复合句。
1. The lab is not far from here. The chemist often does experiments there.
The lab where the chemist often does experiments is not far from here.
2. We shall remember the days. We studied together then.
We shall remember the days when we studied together.
3. This is the village. I was born here.
This is the village where I was born.
4. Frank's dream was to have his own shop. He could produce his own works in his own shop.
Frank's dream was to have his own shop where he could produce his own works.
5. This is the reason. He loves to visit his grandparents for the reason.
This is the reason why he loves to visit his grandparents.
6. The days are gone. We can only buy things with cash in these days.
The days when we can only buy things with cash are gone.
7. Stephen Hawking believes that Earth is not the only planet. Life exists on the planet.
Stephen Hawking believes that Earth is not the only planet where life exists.
8. Teaching is a fun and challenging job. You are doing something serious and interesting in teaching.
Teaching is a fun and challenging job where you are doing something serious and interesting. / Teaching is a fun and challenging job in which you are doing something serious and interesting.
9. I know the reason. He decides to give all his pocket money to the children in the countryside for the reason.
I know the reason why he decides to give all his pocket money to the children in the countryside.
10. Human beings are cutting down trees in the rainforest. For this reason, many creatures are losing their natural habitat.
Human beings, cutting down trees in the rainforest is the reason why many creatures are losing their natural habitat.
11. Polar bears spend most of their time in particular parts of the Arctic Ocean. Here, they can hunt seals.
Polar bears spend most of their time in particular parts of the Arctic Ocean where they can hunt seals.
12. The couple enjoy taking a walk. At this time of the day, the setting sun colours the sky red.
The couple enjoy taking a walk at the time of the day when the setting sun colours the sky red.
13. Sea turtles travel thousands of miles to the beach. They lay their eggs there.
Sea turtles travel thousands of miles to the beach where they lay their eggs.
14. There is an increasing human population in forest areas. For this reason, tiger numbers are declining.
An increasing human population in forest areas is the reason why tiger numbers are declining.
15. The season is autumn. In autumn, you can see many birds migrating south for the winter.
Autumn is the season when you can see many birds migrating south for the winter.

答案： 1. The lab where the chemist often does experiments is not far from here. 2. We shall remember the days when we studied together. 3. This is the village where I was born. 4. Frank's dream was to have his own shop where he could produce his own works. 5. This is the reason why he loves to visit his grandparents. 6. The days when we can only buy things with cash are gone. 7. Stephen Hawking believes that Earth is not the only planet where life exists. 8. Teaching is a fun and challenging job where you are doing something serious and interesting. / Teaching is a fun and challenging job in which you are doing something serious and interesting. 9. I know the reason why he decides to give all his pocket money to the children in the countryside. 10. Human beings, cutting down trees in the rainforest is the reason why many creatures are losing their natural habitat. 11. Polar bears spend most of their time in particular parts of the Arctic Ocean where they can hunt seals. 12. The couple enjoy taking a walk at the time of the day when the setting sun colours the sky red. 13. Sea turtles travel thousands of miles to the beach where they lay their eggs. 14. An increasing human population in forest areas is the reason why tiger numbers are declining. 15. Autumn is the season when you can see many birds migrating south for the winter.