UPS除了电池自动检测外建议用户人为每年充放电() A.3-4次 B.1-2次 C. 发布时间:2018-03-23 11:25 │ 来源:www.tikuol.com 题型:单项选择题 问题: UPS除了电池自动检测外建议用户人为每年充放电()A.3-4次B.1-2次C.6次以上
题型:单项选择题 I don't have a partner to practice English _____ on the weekend.[ ]A. to B. with C. and D. for 查看答案
题型:单项选择题 —Who do you often go to see Beijing Opera ___________? —My parents. [ ]A. for B. to C. in D. with 查看答案
题型:单项选择题 ---Do you know ______? ---Sorry, but if he _____ back, I ____ you know as soon as possible. A.when will he be back, comes, will letB.when he will be back, will come, will let C.what time will he be back, will come, letD.what time he will be back, comes, will let 查看答案