题目内容
【题目】The elephants are great danger in Africa.
A、in B、with C、on
【答案】A
【解析】
试题分析：句意：非洲的大象处于极大的危险中。短语in great danger处于极大的危险中，故选A。
【题目】阅读下面短文，从每小题所给的A、B、C三个选项中，选出一个最佳选项。
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Compass | It was a great gift to the world from ancient China. Before it was invented, sailors had to depend on the stars to find direction. After it was invented, the oceans were open to travel. And many new discoveries were made with the help of it. |
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Gunpowder | It was one of the greatest inventions. It is said that in the 3rd century a Chinese man wrote about how to make it. At first, it was used for making fireworks. At the end of the Tang Dynasty, people began to use it in wars. The method of making it was brought to the Arab world and Europe in the 13th and 14th centuries. |
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Paper-making | China was the first country in the world to make paper. During the Western Han Dynasty (202B.C.—9A.D.), paper was made in some places in China. It was developed in the Eastern Han Dynasty (25A.D.—220A.D.) by Cai Lun. He made paper with bark, ropes, rags and so on. Before it was invented, the ancient Chinese carved characters on animal bones and stones. They also wrote them on bamboo and wooden sticks. |
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Printing | It was developed in 1041—1048 in the Song Dynasty. A man named Bi Sheng carved characters on pieces of clay and wood. Then he put ink on them. After the characters were printed on paper, the pieces of clay or wood could be used again. This technology then spread to Korea, Japan and Europe. It was the basic method at that time. |
【1】After the ________ was invented, the oceans were open to travel.
A. compass B. printing C. gunpowder
【2】At first, gunpowder was used for ________.
A. finding direction B. making fireworks C. carving characters
【3】________ developed papermaking in the Eastern Han Dynasty.
A. Some sailors B. Bi Sheng C. Cai Lun
【4】Printing was developed in the ________.
A. Tang Dynasty B. Song Dynasty C. Han Dynasty
【5】The best title for the reading material is ________.
A. The Four Dynasties of Ancient China
B. The Four Great Inventors of Ancient China
C. The Four Great Inventios of Ancient China
【题目】假如你是Greenhill School的交换生，你参与了该校的一个科学实验。请根据以下实验过程补全英文实验报告。
Water in Motion | ||||||||||
What You Need: clear glass tray warm water large cup with 200 ml of hot water large cup with 200 ml of cold water red and blue liqpid food coloring
| Directions : ① Fill the tray with warm water. ② Set the tray on top of the two cups, with the hot cup under one end and the cold cup under the other. ③ Add four drops of red food coloring to the water above the hot cup and four drops of blue food coloring to the water above the cold cup. Add both colors at the same time. Results :
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Hello, everybody. Here is our report on the experiment “【1】”. First, we put the glass tray full of warm water on top of two cups with 200 ml of【2】water and cold water. Then, we add red and blue liquid food colorings into the water above the hot and cold cups. at the same time.
After careful observations, we got the【3】. The blue food liquid coloring moves downward first and then to the hot side while the 【4】one spreads quickly and covers whole top in a short time and goes down; the blue liquid food coloring spreads more【5】than the red one. Thank you for listening.
