题目This flying thing has no wings. It floats in the air. What is it? A. Airplane B. Helicopter C. Hot air balloon D. Rocket 相关知识点: 试题来源: 解析 C。解析:热气球没有翅膀,靠热气漂浮在空中。飞机和直升机有翅膀,火箭用于太空探索,不符合描述。反馈 收藏
Without gravity, you will float (漂浮) in the air. Nobody would want to live for a long time in a space city where 4 floats around. The space city is like a huge wheel, a tube (管子) more than 150 metres in diameter (直径), and formed into a ring. The wheel turns around ...
From safari ‘star beds’ to the Taj Mahal after hours, after-dark experiences are increasing in popularity with travellers all over the world — here’s why, and what there is to see.
What to do:Take a stroll down theOcean Front Walkon foot, bike or Beach Barcycle. Don't forget to check out the Santa Monicafarmers' marketsand the mile-long strip onAbbot Kinney Boulevardfor incredible shopping in Venice. And whether you're in the mood to relax and sip wine atMalibu ...
to anyone who makes the effort to come. events kick off with a religious procession on the friday, complete with carpets of flowers, while the saturday sees a more carnival-like atmosphere with a no-holds-barred parade of decorated floats, local villagers in traditional costume and exuberant ...
They do the same things as on Earth, but they do them differently. That is mainly because there is almost no gravity in space. In space, food floats away, and astronauts must eat and drink carefully.Sleeping is very difficult in space. Some astronauts like to float in the air, but ...
People have tried to make 42 like the ones they know, so space travelers will do the same.Gravity(重力) makes _43 _ life possible. Without gravity, you will float(漂浮) in the air. Nobody would want to live for a long time in a space city where 44 _ floats around. The space ...
Humidity is the concentration of water vapor that is available in the air. Water vapor is the gas state of water that floats in the air and cannot be seen visually. The purpose of humidity is to help sustain life by increasing oxygen levels in the air. For example, lower elevations in ...
In meteorology, dew point refers to the temperature point at which the gaseous water in the air is just saturated and condenses into liquid water under a fixed air pressure. At this temperature, condensed liquid water becomes fog if it floats in the air, and becomes dew if it sticks to ...
home of the Rose Parade, I associate the first of January with one of my all-time favorite scents: roses. I fondly recall walking down to Colorado Boulevard to watch the Rose Parade and being enthralled with the smell of the roses and various flowers and plants used on the floats. A top...