模拟练习测试题一. 词汇。A. 根据句意,用正确的单词填空.1. Our country decided to _______________(开发) the western part of our country.2. We can see more than one _____________(行星) with our own eyes.3. Large numbers of _____________(移居者) will live on Mars by the year 2100.4. Two-thirds o...