Ⅰ. 单词拼写

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.

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.

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

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

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

Ⅱ. 用括号内所给动词的适当形式填空

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

2. Senior ministers ________ (speak) in favour of the proposal.

3. ________ (compare) with the size of the whole earth, the biggest ocean does not seem big at all.

4. The solution he used ________ (solve)