A. The mantle B. The ocean C. The forest 相关知识点: 试题来源: 解析 A。解析:Mantle(地幔)位于地壳(the crust)和地核(the core)之间。海洋(the ocean)是地球表面的水体,森林(the forest)是地球表面的植被,它们都不在地壳和地核之间,所以B和C选项错误。反馈...
Elements in the atmosphere Although the Earth's atmosphere contains a lot of nitrogen, this element is not available to plants until it becomes fixed in the soil. Nitrogen fixing bacteria, which form mutualistic relationships with plant ...
When animals die their salt is locked up in bins and shells which drop to the bottom of the sea. Seawater and rocks react with each other not just in one way. Sea salt not only reacts with rocks but also reacts with the rocks of the ocean crust (壳) and volcanic lava. The ...
Directions: Each of the following sentences or groups of sentences contains one, two, or three blanks. These blanks signify that a word or set of words has been left out. Below each sentence are columns of words or sets of words. For each blank, pick the oneword or set of words from...
如: telegram n. 电报 telephone n. 电话 telecommunication n. 电信 2. 前缀“under-”, 表示“在……之下,不够”。如: underline v. 在……下画线,强调 underground adj. 地下的 underestimate v. 低估 Text-Related Exercises Complete the following sentences by using words with affixes of“tele- ”...
The Saboscrivner is a librarian who writes about food in Orlando, Florida, and beyond. He is NOT an influencer; in fact, he takes perverse pride in having been called an "anti-influencer." Instead of a content creator, he proudly thinks of himself as a
1.Which other writers are mentioned in the listening text? What did they write? Writers Works Jules Verne 20,000 Leagues under the sea / A journey to the moon Wells The First Men in the Moon / The war of the worlds Lao She City of cats Mary Shelley Frankenstein 点击展开完整题目...