Ⅰ. 根据语境及汉语写出正确的单词
1. take a first-aid kit           带一个急救箱
2. a clever and optimistic man                           一个聪明而乐观的人
3. the mouth of the cave                                               洞口
4. limit the fuel consumption                                     限制燃料消耗 
5. react to these crises                                        应对这些危机
6. a new monthly magazine                              一本新月刊
7. orbit the planet                                                          绕星球轨道运转
8. space agency                                                               太空总署
9. infer from the passage                                   从文章推断
10. expose babies to strong sunlight              把婴儿暴露在强烈的阳光下