温馨提示：
此套题为Word版，请按住Ctrl,滑动鼠标滚轴，调节合适的观看比例，答案解析附后。
素能提升演练（四十）
选修8 Unit 5
Ⅰ. 单词拼写
1. We returned by the _______ (其他的) road.
2. The animals had died of _______ (饥饿).
3. Children must learn not to _______ (打岔).
4. _______ (假定) you have a chance to go abroad, what would you do?
5. This new discovery of oil is of great ________ (重要性) to the country’s economy.
6. His room is always ______（凌乱的）.
7. They questioned the _______（精确性） of the information.
8. The audience rose to _______（鼓掌欢迎） the speaker.
9. We must stop him from seeing her _______（以……方式）.
10. _______（种类）is a class or group of things in a complete system of grouping.
Ⅱ. 语法和词汇知识
1. They might have hung animal skins at the cave mouth to _______ the cold during the freezing winter.
A. keep up B. keep off
C. keep out D. keep back
