Look at the timetable. Hurry up! Flight 4026_____off at 18:20. A.takes B.took C.will be taken D.has taken
Lucy’s colour ________blue because she likes to be the leader, so it __________red. A．can’t be, must beB．can’t be, mustn’t be C．should be , must beD．must be, can’t be
标准状况时的一定物质的量的某气体体积一般比通常状况时要小，其原因是标准状况时比通常状况时的A.压强大
赤脚在烈日当空的河边玩耍，你会发现砂子烫脚，而河水却是凉的。这主要是因为:A．砂子的比热容大; B．砂子的密度大;C．水的比热容大; D．水的密度
下列指定粒子的个数比为2∶1的是( ) A.Be2+中的质子和电子 B.原子中的中子和质子C.NaHCO3晶体中的阳阴离子
My boy, do remember to leave things you can find them again. A. where B. when C. then D. there
纵观整个苏联的历史，实际上是一部 A、斯大林模式形成、发展和失败的历史 B、反法西斯斗争的历史 C、与美国争夺世界霸权的历史
I was invited to attend a presentation at the Kentucky School. That evening I found gratitude had amazing 11 to change our attitude and our life. The young musician Mr. Patrick was 12
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