2007年10月24日，中国用长征运载火箭 成功地发射了“嫦娥1号”卫星。如图是 某检测系统每隔2.5s拍摄的，关于起始匀 速阶段火箭的一组照片。已知火
Can you ________ it ________ English? A．speak, in B．tell, with C．talk, with D. say, in
The company, _____ him, is beginning to develop rapidly. A. in the charge of B. in charge of C. in the control of
She told me that her parents were both professors of a university, _____ I know was not true. A. that B. who C. which D. where
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It was most _______ of you to lend me the money when I was in trouble． A．selfish B．generous C．relieved D．outgoing
有一瓶Na2SO3溶液，由于它可能部分被氧化，某同学进行如下实验：取少量溶液，滴入Ba(NO3)2溶液，产生白色沉淀，再加入足量稀硝酸，充分振荡后，仍有
某种植物的花色由多对基因控制。兴趣小组的同学用一紫色花个体与另一紫色花个体杂交，结果子代出现了蓝色花，其比例为紫色花个体 ：蓝色花个体
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