for the community.Day 3Precious gold made in space (P6)Choose the answer:1. What’s the author’s purpose of writing the first four paragraphs?A. To emphasize the rareness of gold.B. To list some uses ……

with the human brain.Gold is the most malleable (可延展的) metal, so it can be made into structures... currently in use.   Beyond medicine, the unique properties of gold have earned this precious ……

something made of gold, especially since China is one of the world’s biggest buyers of gold... to huge explosions (爆炸) of energy, and even to the creation of precious metals such as gold ……

The Olympic gold medals are not made of entirely gold. They are silvergilded(镀金) with atleast 6g of pure gold. ……

The Olympic gold medals are not made of entirely gold. They are silver gilded (镀金) with at least 6g of pure gold. ……

Q: Is the Olympic gold medalpure(纯的) gold?A: No. It is made ofsilver(银) with a thincoat(层) of gold. ……

Armstrong.“My dear, I will take this gold pen with me into space. It’s precious to me and I will wrap...THE Shenzhou VII module made a successful touchdown on the grassland of Inner Mongolia on Sunday ……

made of gold, jade, bronze, stone and ivory (象牙). The vast majority were dated back to the late... Period (770- 476 BC).One of the most precious finds was the "Sun Bird" (太阳神鸟), a piece of round gold ……

’s space center last Thursday. Last August, the ROK made its first attempt to launch a rocket from... of “solid 18-carat gold” and two layers of the semi-precious stone malachite. Solid在此表示“实心的”，与hollow (空心 ……

Today's "gold" medals are actually made ofsterling silver(标准纯银) and covered with a thin coat of pure gold. ……

Why is gold so precious? (P4-5)Why is gold so precious? (P4-5)Complete the tasks:Complete the tasks...;   babies gold bracelets?   babies gold bracelets ……

RESOURCES-POOR Japan is technology rich. A sewage treatment facility has recorded higher gold...,890 grams of gold per ton of ash from incinerated sludge. That is a far higher gold content than ……

in a Shandong gold shop in late December. The duck is made of "shoushan stone(寿山石)", which isprecious(珍贵...What a big knot!好大一个中国结！THE world's largest Chineseknot(结) was made in Harbin, Heilongjiang ……

complete gold mask was unearthed, along with other precious items from the ancient Shu Kingdom. Sanxingdui’s biggest and most complete gold mask was unearthed, along with other precious ……

WHAT color is gold? It’s golden of course, but a new study says that this could be about to change. We are not talking about white gold and rose gold; they are not actually pure gold but rather ……