1. A trip to the island can be either very relaxing or very boring, ________ (depend) on your point of view.

5. She was travelling in the street without　 ________ (目的，意图).

4. The transplanted seedlings are ________ (有抵抗力的) to cold weather.

3. I think the scientific ________ (发展，进步) mentioned in your article are fantastic.

2. Our agency will help you clone your pet. Although it ________ (涉及)some cost on your part, you will definitely agree it’s worth it.

1. A recent a________ by scientists that they have successfully cloned the first human embryo has caused much debate and has shocked many people around the world.

9. colours　　　　　 10. actively

6. silently　　　　 7. Avoid　　　　 8. Note-taking

3. differences　　　 4. forced　　　 5. whenever

4. 解析：选B。 推理判断题。从第四段可知，not a bit意为“一点也不，根本没有”，等于“not at all”。