短文的第一段是文章的中心段,根据这一段If you are planning on travelling , there are a few simple rules about how to make life easier both before and after your journey可知,作者是在我们计划去旅行的时候,给我们一些建议,可以让我们的旅行更加方便。故应选D。点睛:这篇短文的中心大意非常容易获得,...
1. If you want to find out how a plane is made, you can look in the ___ section of the Internet.相关知识点: 试题来源: 解析 The technology section of the internet would be the most relevant place to find information about how planes are made. This section covers topics related to...
climb or descend, we have to request that from the air traffic controller who knows and also sees all the planes in the area on the radar. Vertical separation between planes has to remain, so sometimes there is a plane somewhere that we need to create distance horizontally...
Our atmosphere is a massive fluid layer, and the right application of physics makes it possible for humans to traverse it. In this article, we'll walk through the basic principles of aviation and the various forces at work in any given flight. Contents How Do Planes Fly: Thrust and Drag...
How to Use the Calendar View to Find the Cheapest Days to Fly Finding thecheapest flights is all about flexibility. And part of Google Flights' power is how easy it makes it to find the cheapest days to travel. It starts with its calendar view, which breaks down the cost of the flights...
time can improve alertness for several hours and, for most people,won't affect being able to fall asleep at night.How to get comfortable: MentalFloss. com says it takes about 50 percent longer to fall asleep sitting up than lying down. (That's why we sleep so poorly on planes and ...
One of the major obstacles of using air power in war is getting the planes to their destination. To maintain an air base in a foreign region, the United States (or any other nation) has to make special arrangements with a host country, and then has to abide by that country's rules, ...
Flight delays occur for a number of reasons—both human-made and force majeure. Some delays can be predicted, to a point, while others occur at the last minute. When a single plane is delayed, it almost always results in a domino effect that delays other planes, both those at the same...
Here we’ll dig into eight of the longest flights in the world by duration, the routes they cover and the planes that fly them, as well as how you can use points and miles to travel these longest flights in comfort. What do we mean by “longest” flights?
How early should you get to the airport? When you do the backwards math and start with your departure time, it can be helpful to assume a few things: Boarding the plane begins about 30 minutes before take-off (larger planes may even board 45 minutes in advance). ...