(1)根据上文The earth is our home.Some things we have done are good for the earth while some are bad.(地球是我们的家园。我们做的一些事情对地球是好的,而一些是坏的。)可知说的是地球。结合选项,应说我们污染了地球,现在它生病了,故选E。(2)根据上文Water pollution is becomin...
题目The first creature (1)___ (orbit) our planet was just 2 years old.Her name was Laika.She was a good dog.Her 1957 flight paved the way for space (2)___ (explore) when scientists wondered (3)___ was lethal(致命的)for living things. Humans are explorers since...
5. Scientists always ask us to think about what we w on the Earth when we pass auay ( 相关知识点: 试题来源: 解析 willleave【答案】will leave【核心短语/词汇】leave:留下【翻译】科学家们总是要求我们考虑一下当我们去世时我们将在地球上留下什么。【解析】根据句意和首字母提示可知该空表示留...
Another Mid Autumn Festival tradition is the Tai Hang Fire Dragon Dance. Unique to Hong Kong, it began in the 19th century when Tai Hang villagers held the event to drive away bad luck. It has since made its way onto the national list of intangible cultural heritage. This year’s Tai Ha...
This was the highest temperature ever measured (测量) on the planet Earth. The highest waterfall in the world is Angel Falls in Venezuela which drops from an amazing height of 3 212 feet. The waterfall drops over the edge of Auyantepui in the Canaima National Park. The gravitational pull ...
magnetic flux where a large scale rotation of the magnetic field of the Earth takes place. The field rotation of a magnetic cloud has been projected as of 1981 to be at least 0.25 astronomical units (AUs) up to to 1 AU in size, with the Earth itself 1 AU in distance from the Sun....
Much farther than that and it stops making sense to measure in miles. Astronomers use that 93-million-mile distance, the average orbital distance of the Earth, as a unit of distance called an astronomical unit (AU). To get a sense of scale, Mars is about 1.5 AU from the Sun, Jupiter...
You’ll frequently read that the total astatine supply in the earth’s crust at any given moment is about an ounce. As products of radioactive decay, astatine and the like are too scarce and ephemeral to tally directly but their abundances can be inferred from their parent elements’ well-...
Jules’ burgeoning reputation. So Verne fans had to wait a year untilVoyage au Centre de la Terrecame out. Pierre’s judgment was sound. At almost every levelParis in the Twentieth Centuryis an unintentionally comic novel whileJourney to the Center of the Earthis still a great book to read...
Being able to fly twice the distance of the Boeing 717 not only brings all of Australia under the A220’s wings, it adds scope for short-range international A220 flights to the likes of New Zealand and key Asia-Pacific destinations – although for now, Qantas is clearly talking up the A22...