问题
单项选择题
航路、航线地空通信、导航设备的增设、撤除或者变更，应当经（）同意。
A、中国人民解放军空军
B、国务院民用航空主管部门
C、民航局
D、中国人民解放军空军或者国务院民用航空主管部门
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
航路、航线地空通信、导航设备的增设、撤除或者变更，应当经（）同意。
A、中国人民解放军空军
B、国务院民用航空主管部门
C、民航局
D、中国人民解放军空军或者国务院民用航空主管部门
参考答案：D
Food is very important. Everyone needs to 36 well if he or she wants to have a strong body. Our minds also need a kind of food. This kind of food is 37 . We begin to get knowledge(知识) even when we are very young. Small children are 38 in everything around them. They learn 39 when they are watching and listening. When they are getting older, they begin to 40 story books, science books and anything they like. When they find something new, they love to ask questions and __41 to find out the answers. What is the best 42 to get knowledge? If we learn by ourselves（自学）, we will__43 _the most knowledge. If we are 44 getting answers from others and do not ask why, we will not learn well. When we study in the right way, we will learn __45 and understand better.
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