题目内容
--Is Miss Liu in the classroom now?
--No, she is out. If you have something to tell her, I can ________ for her.
A. call her back B. take a message C. talk about you D. chat with you
请阅读以下图表右栏对2018年最新科技发明的介绍，然后与左栏的图片相匹配。
Inventions have the power to change our world. Some inventions are designed for work. Some are just for fun. Others can help people and the planet. Every year, Time magazine shares its best inventions of the year. Below you can read about five of these inventions to learn what’s special about each of them.
A | 46. Have you ever experienced a traffic jam during your way to school? Have you ever imagined how fun it would be to fly to school? This Iron Man-style suit from a British company could make your dreams come true.The suit allows users to fly just like Iron Man. Wearers can take off vertically (垂直地) and fly through the air. |
B | 47. Food, water and shelter (居所) are basic human needs. But there are 1.2 billion people in the world who don’t have a proper house to live in, according to the World Resources Institute. The 3D-printed houses made by ICON in Austin may help to solve this problem. |
C | 48. People in some of the world’s most remote (偏远的) places can’t get important medical products like vaccines (疫苗). But thanks to drones(无人机), this will no longer be a problem. It takes them about 15 to 30 minutes to send medical products to people in need. |
D | 49. Smog is a silent killer. It can cause diseases that harm our lungs. US company 3M has created a new material for roofing shingles (屋顶瓦片). The material makes use of the sun to fight smog. When sunlight hits the roof, the material on the roof is activated (被激活). It then changes harmful particles in smog into water-soluble ions (水溶性离子). Later, the ions can be washed away by rain. |
E | 50. James P Allison from the US and Japanese researcher Tasuku Honjo discovered a new kind of cancer treatment that earned them the 2018 Nobel Prize in Physiology or Medicine in October. The new treatment can make our immune systems (免疫系统) strong enough to effectively fight cancer cells. It is hoped that this treatment can be used to treat most cancers in the future. |
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