【简答题】用a, an, the(不填处用'/'表示)填空 1.This is____eraser and that is____ruler. 2. book is____English book. 3. Is this her ____ baseball? 4. —What color is ____ schoolbag? —It's yellow. 5. Mike is at____school. 6....
【简答题】在高度为2.8m的一面墙上,准备开凿一个矩形窗户.现用9.5m长的铝合金条制成如图所示的窗框.问:窗户的宽和高各是多少时,其透光面积为3m 2 (铝合金条的宽度忽略不计).
【多选题】以下是这封信件的正文第一段内容,有哪些表达不当的地方? Dear Rachel, How have you been these days? You must be very excited about your wedding ceremony on this coming Saturday! Remember the meeting of the reader’s club I told yo...
【单选题】船长100m,宽9.5m,水下部分体积2332.5m,则方型系数等于( )
【单选题】Is this your book? 表达询问意思时用什么语调?
【单选题】取心钻进进尺10m,实取岩心长度为9.5m,岩心收获率为()。
【单选题】在海拔700m地区(其大气压为9.5m水柱),输送温度为40℃的水时(其饱和蒸汽压Hv为0.758m),则该泵实际允许吸上真空高度为()m
【判断题】垂直卷帘的电动启闭运行速度不应大于9.5m/min。
【简答题】情景交际。 1. 当你想把自己的朋友Rose介绍给别人时,应说: [ ] A. She is my friend. B. This is Rose. C. It's Rose. 2. 当你想表达Danny在Kim的后面时,应说: [ ] A. Danny is behind Kim. B. Kim is behind Danny. C. Danny is beside Kim. 3...