【单选题】When I go out in the evening I use the bike ______ the car if I can.
【单选题】--When can I go out to play football, Mum? --Finish your homework first, or I won't let you ________.
【简答题】内蒙古自治区成立于哪一年 A1948 B1947 C1946 D1950
【简答题】X、Y、Z、Q、R五种元素原子序数依次增大,且X和Y,Z和Q分别同周期,Q、R同主族且相邻,X的低价氧化物与Y单质分子的电子总数相等,Z和Q的核电荷数相差4,Q的2价简单离子与Ar原子的电子层结构相同。根据以上信息填空: (1)Q离子的结构示意图______________;R的元素符号为___________ (2)Y的气态氢化物空间构型是_______________;X和Q形成的共价化合物的...
【单选题】1934年曹禺发表了四幕话剧(),这标志着中国话剧艺术开始走向成熟。
【单选题】—Mom, when can I go out to play football? —Finish your homework first, or I ________let you go out.
【单选题】I _____ the sidewalk when I walk to school. [ ]
【单选题】I saw her _____ out when I was walking past. [ ]
【简答题】妈妈总是把女儿打扮得像 ________ 的公主一样。
【单选题】I am a ________. I’m very busy when people go out to dinners.