单词:sea water corrosion test
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[00:03.20]Unit 7 The Sea Lesson 3 The Sea World [00:07.92]UNDERwater WORLD [00:10.16]The Best Plance To See Sea Creatures [00:13.62]Polar World [00:15.75]We have polar bears and a real iceberg too! [00:19.45]You can only see a small part of it [00:21
It was still dark when Kate woke them. Dress warmly, she said. The Aldens hurried into their jeans and sweatshirts. They tied their jackets around their waists. Fruit, juice, and toast awaited them. Kate filled a large thermos. Hot cocoa, she said. I
TERMINAL TEST Part I Listening Comprehension (15 minutes) Directions: This part is to test your listening ability. It consists of 3 sections. Section A Directions: This section is to test your ability
A salty breeze blew into the tree house. Seagullsscreeched overhead. Jack and Annie looked out thetree house window. They were high in the branches of a gnarled oldtree. The tree was on a sea cliff beneath snowcappedmountains. The mountains overlooke
Mechanical failure can strike anywhere. And if you got stuck in the bush you cant always rely on technology to bail you out. Do you copy? Ah, nothing doing, so we're stuck in the bush. Shall I stay or shall I go and look for civilization wherever tha
THIS IS AMERICA - Playing in the Sun and Sea at Martha's Vineyard and Nantucket BARBARA KLEIN: Welcome to THIS IS AMERICA in VOA Special English. I'm Barbara Klein. This week on our program, we tell you about two islands in Massachusetts, in the New
Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Robin Basselin. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 Over 60% of our planet is covere
Voice 1 Welcome to Spotlight. Im Anne Muir. Voice 2 And Im Bruce Gulland. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Aurlie Spadone knows all about
[00:03.58]You will hear three pieces of recorded material. [00:08.15]Before listening to each one,you'll have time to [00:12.59]read the questions related to it. [00:16.25]While listening,answer each question by choosing A,B,C or D. [00:22.13]After l
At the Edge of the Sea The shore is an ancient world, for as long as there has been an earth and se a there has been this place of the meeting of land and water. Yet it is a world that keeps alive the sense of continuing creation and of the relentle
Experts Worry That Road Salt Harms US Waters Communities in the Northern parts of the United States have used salt to keep icy roads safe during winter for many years. But, some experts now say salt harms nearby fresh water supplies. Putting salt on
Mars Rover Finds Evidence of Ancient Sea David McAlary The U.S. space agency NASA says Mars once had a shallow, salty sea that could have supported life. The evidence has come from chemical and physic
New Treatments Emerging for Parkinson's Disea Sarah Taylor knew something was very wrong, but she never dreamed she had Parkinson's disease. It was a shock. But it was a relief when I found out what was wrong with me, though, she recalled. Five years
Shanghai Takes Measures against Rising Sea Levels Zhang Zhenyu, of the Shanghai Flood Risk Information Center spokesperson, said the seawalls virtually encircle half of the city. These are all the sea walls we have built, including from Hangzhou Bay
The AG600 amphibious aircraft is expected to take its maiden flight over land in the first half of 2017 and on water in the second half, said its developer, the Aviation Industry Corporation of China (AVIC). 国有飞机制造商中国航空工业集团
But there are problems with each of these ideas. For example, it would be difficult to monitor nuclear waste under the ocean floor. Waste buried deep in the earth, meanwhile, might contaminate ground water.And as ice sheets continue to melt, its hard
Part 6 The Old Man and the Sea 第六部分 老人与海 The sun rose thinly from the sea and the old man could see the other boats, low on the water and well in toward the shore, spread out across the current. Then the sun was brighter and the glare
Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Robin Basselin. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 Over 60% of our planet is covere
Voice 1 Welcome to Spotlight. Im Anne Muir. Voice 2 And Im Bruce Gulland. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Aurlie Spadone knows all about