1 . In the 18th and 19th centuries, _____ (wealth) people travelled and collected plants, historical objects and works of art.（用单词适当形式填空）

2 . The company produces_________ parts for airplane engines. (根据句意填空)

3 . Without more training or_________ technical skills, they’ll lose their jobs. (根据句意填空)

4 . Their production of Macbeth was the most visually____________ performance I’ve ever seen. (根据句意填空)

5 . The government has threatened to take ________ action if the rebels do not withdraw from the area.（根据句意填空）

6 . Some parents are so ___________ (关心) about their kids that they ignore their own old parents. (根据汉语提示单词拼写)

7 . The ________ age of the US soldiers who fought in the Vietnam War was 19.（根据句意填空）

8 . They were very________ to start work as soon as possible.（根据句意填空）

9 . Meetings were held to update employees as soon as new information became________ . (根据句意填空)

10 . She considers teaching a ___________ career. (根据句意填空)