1 . 选用方框内合适的单词并用其正确形式完成下面句子

superb, ridiculous, typical, abstract, controversial

1. It’s ________ to expect a two-year-old to be able to read!
2. We may talk about beautiful things but beauty itself is ________.
3. I must look like the ________ tourist with my shorts and my camera.
4. It is a highly ________ plan to flood the valley in order to build a dam.
5. The waters are very clear and offer a(n) ________ opportunity for swimming.