A. we shouldn’t change the orbit of asteroids B. we are trying to save ourselves in the future B. we are trying to save ourselves in the future C. we are sure to die from ……

were tested.5. What can we learn about the lunar bricks from the passage?5. What can we learn about... look good.C. They help save lunar soil simulant.C. They help save lunar soil simulant.D. They make ……

the last week of April, we will be having a Save the Earth Week at our school. There will be many... from your organization to speak to us during Save the Earth Week. They can talk about what kids can do ……

by doing this can we save the earth.活学活用Then she realized how much damage had been caused.请这句话改写成强调句，强调 ……

zeros.D. A decimal point followed by 29 zeros.2. According to Paragraph 3, we can learn that _____.2. According to Paragraph 3, we can learn that _____.A. there were no large numbers in ancient timesA ……

do we know about JUICE?1. What do we know about JUICE?A. It will collect data from Jupiter and its... times the amount in Earth’s oceansD. be as much as six times the amount in Earth’s oceans  3 ……

become busy. They then give off the smell. The smell can travel into the air. Now people can smell... planets, raindrops can be made of iron (铁).Word boxrain cats and dogs 下倾盆大雨rain heavily 下大雨pouring ……

为什么我们能闻到雨的味道？When summer rain falls to the hot and dry ground, many of us believe that we can actually smell the rain. But in fact, rain itself doesn’t have any smell. So why do we think we can smell ……

About 1 million (百万) Earths could fit (装进) inside the sun. ……

breath, we have things to do, love to give, and joy to share. We can help to make this world a better..., love to give, and joy to share. We can help to make this world a better and more beautiful place ……

;   5分钟On Nov 3, China’s State Council stressed the high-quality development of the rare earth industry at a key meeting. The meeting called for efforts to explore better management of rare earth ……

your bones, they can repair (修复) themselves. But there is more to bones than just these things. Here... your bones, they can repair (修复) themselves. But there is more to bones than just these things. Here ……

money to spot and prevent asteroids (小行星) now, one might crash into Earth and destroy life as we.... Do we really want fleets of nuclear weapons sitting around on Earth? "The world has less to fear ……

. First is whether Earth-like conditions (条件) can be found. The second measure is if the conditions... the Earth. It’s about as big as 0.066 Earths and as heavy as 0.02 Earths. It is foggy on Titan. Saturn ……

makes energy (能量) for all life on Earth.Solar storms (太阳风暴) can affect weather on Earth. Big... on Earth.The sun makes energy (能量) for all life on Earth.Solar storms (太阳风暴) can affect weather ……