定滑轮不能省力,但能改变______;潜水艇能够上浮和下沉是通过______来实 发布时间:2017-07-06 23:58 │ 来源:www.tikuol.com 题型:填空题 问题: 定滑轮不能省力,但能改变______;潜水艇能够上浮和下沉是通过______来实现的.
题型:填空题 句型转换。1. The store was crowded. (对划线部分提问)_____ _____ the store? 2. They stopped working at 7: 00 yesterday. (改为否定句)They _____ _____ working at 7: 00 yesterday. 3. We went to Beijing on vacation. (对划线部分提问)_____ _____ you _____ on vacation? 查看答案
题型:填空题 Elephants like ________ but lions like ________.A.grass; meatB.meat; grassC.grasses; meatsD.grass; meats 查看答案