4 . 选择适当单词填空，使句意合理。(有一个多余选项)

integrated   potential   detect   prohibit   artificial secure   ongoing   liquid   signal

1. Colorful pictures are ______ into the text to make the book more informative.
2. You must ______ which way you are going to turn.
3. On the surface she seems quite a pleasant woman, but there’s something very ______ about her.
4. The new test should enable doctors to ______ the disease early.
5. Only in the mid-1990s did efforts to reduce the ______ violence achieve some success.
6. She screamed as the boiling ______ burned her skin.
7. It’s wrong to regard all soccer fans as ______ trouble-makers—it’s only a small minority who are responsible for the violence.
8. Leaders of all states continued their efforts to ______ a ceasefire.