向沼气池投料时,不用将各种原料进行搭配,这样沼气池才能产气. 发布时间:2018-08-25 13:23 │ 来源:www.tikuol.com 题型:判断题 问题: 向沼气池投料时,不用将各种原料进行搭配,这样沼气池才能产气.
题型:判断题 用所给短语的适当形式填空。take over, consist of, differ from, get…across, accuse…of, fall for, play a leading role in, make way for, pass…on, put forward1. A medical team ______two doctors and three nurses are setting out for Africa. 2. _____the book ______to me when you have finished with it. 3. The neighbours may _____you ______ playing your radio too loudly at night. 4. The plan ______ for discussion at the next meeting. 5. One of the old building is being pulled down to ______a new park.6. After he graduated from college, he _____ his father's business.7. I spoke that slowly but I did not ______my meaning _____.8. I am surprised that you ______ that trick. 9. He ______the last film. We are all impressed by his wonderful performance. 10. Old English _______the English we speak now. 查看答案
题型:判断题 天然气是当今世界上最重要的气体化石燃料,其主要成份是______.第28届国际地质大会提供的资料显示,深海底有大量的“可燃冰”(固态天然气水合物),可满足人类1000年的能源需要,但现在的开采技术尚未成熟,原因是“可燃冰”的存在环境是______温______压(填“高”或“低”). 查看答案