A modern airliner usually flies at very high altitudes. Air must be pumped into the plane so that the passengers can breathe. The metal structure of the plane has to be very strong for this reason. When the plane is filled with air, the air presses against the skin ...
结果1 题目 1、If you regulary like to jump out of an aeroplane at high altitudes you are a ___.2、___ is the act of hitting a golf ball into the hole. 相关知识点: 试题来源: 解析 paratrooper伞兵golfing(这个不是很确定阿) 反馈 收藏 ...
3. For starters, cabin pressures at high altitudes are set at roughlytheywould be if you ived at 5,000 to 8,000 feet above sea leve.四级题A.whoB.whatC. whichD.that 相关知识点: 试题来源: 解析 答案选B】在介词at后面接一个由what引导的名词从句作其宾语,在这里是最恰当的。而如果我们用...
Tome,you've been mountain climbing for years now .What are some of the dangers that you've experienced?High altitudes are hard on the human body.I've experienced lack of oxygen ,tiredness,and dehydration.I've lived through storms,avalanches,and strong winds,But that's what Ilike about ...
Bottom line: It’s critical to check labels when you’re shopping for a new pair of sunglasses to be sure you are getting 100% UV protection. Do dark sunglasses have better UV protection? There is no relationship between the color or darkness of your sunglasses lenses and the amount of UV...