1 . 它们都精美绝伦，品质非凡。
They are ________ ________ ________ and quality.

2 . 如何实现这一目标成为当时一个颇具挑战性的问题。
______ this could be done was a ______ question at the time.

3 . 例如，他们中的一些人可能参与吸烟或酗酒，这可能导致身心健康问题。
For example, some of them may become involved in tobacco or alcohol abuse, which can lead to________health problems.

4 . 选项中选出能填入空白的最佳选项。选项中有一项为多余选项。

A. revealing   B. approved of   C. vary in   D. adjusted to   E. digest   F. defend   G. solid

1. They need time to ________ this information.
2. These cars ________ size, price, colour and so on.
3. Cheating in exams will never be ________ in school.
4. This kind of desk can be ________ the height you need.
5. He still tries to ________ his theory, although it has been proved wrong.
6. This provided a ________ foundation for their marriage.

5 . You should work out at least twice a week. It's said that r________exercise cuts the risk of heart disease by 50%. (根据首字母单词拼写)

6 . Millions of people were living in poverty without enough food and medicine. This worried me a lot and I felt very g________being a rich man without doing anything. (根据首字母单词拼写)

7 . My phone and laptop are never out of touching distance, so I'm________（持续不断地）posting updates on social media. (根据汉语提示单词拼写）