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This story happened about a hundred years ago in a small village . One day , there was an earthquake . A huge rock fell from a nearby . The rock on the main road in the village . When the earthquake stopped , many of the villagers came out into the road and saw the rock . They decided to try to move the rock it was in the middle of the road . Some of the men in the village came to try to lift the rock out of the road . no matter how they tried , they couldn’t move it . “well ,” they , “there is nothing we can do for the rock . We will have to change the course of the road .” All the while a young boy about 12 years old was watching the men trying to move the rock . “Excuse me , sir ,” he said , “but I think I can help you the rock .” “You ?” they shouted . “What are you about ? You can’t move this rock . All of us have just tried , and even we can’t move .” The men all at the boy . The next morning some people came into the street . One of them shouted , “The rock is gone .” It was true . The wasn’t in the road anymore . In fact , no one could see it anywhere . “This is impossible ,” they said , “Where did it go ?” The twelve – year – old boy stood in the street , . “I buried it last night ,” he said , “You see , I dug a deep next to the rock and then I dug a small incline(斜坡)up towards it . Then I covered it with dirt .” 小题1: A.mountain B.corner C.tree D.table 小题2: A.walked B.stopped C.pulled D.cleaned 小题3: A.small B.large C.tiny D.fine 小题4: A.while B.though C.if D.since 小题5: A.smallest B.fattest C.strongest D.weakest 小题6: A.carefully B.quickly C.hard D.heavily 小题7: A.said B.chose C.answered D.asked 小题8: A.feel B.shake C.push D.move 小题9: A.caring B.talking C.hearing D.worrying 小题10: A.towards B.around C.together D.besides 小题11: A.at most B.at least C.at last D.at all 小题12: A.rushed B.laughed C.threw D.called 小题13: A.box B.bridge C.rock D.hill 小题14: A.smiling B.appearing C.playing D.begging 小题15: A.wall B.farm C.hole D.field
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【简答题】如图,在空间四边形ABCD中,M,N分别是线段AB,AD上的点,若 AM MB = AN ND ,P为线段CD上的一点(P与D不重合),过M,N,P的平面交平面BCD于Q,求证:BD ∥ PQ.
【单选题】空间四边形ABCD中,M,N分别是AB和CD的中点,AD=BC=6,MN= 则AD和BC所成的角是(   )
A.
B.
C.
【单选题】航空货物的指定商品品名编号在2000-2999之间的编号代表( )货物。
A.
机器、汽车和电器设备
B.
可食用的动植物产品
C.
纺织品、纤维及其制品
D.
活动物及非食用的动植物产品
【单选题】空间四边形ABCD中,M,N分别是AB,CD的中点,AD=BC=6,MN=3,则AD,BC所成的角是( )
A.
30°
B.
60°
C.
90°
D.
120°
【简答题】我国规定:水质必须在感官性指标、化学指标、病理学指标等方而达标方可成为生活饮用水.各种指标的主要要求有:①不得呈现异色;②不得有异味;③应澄清透明;①不得含有细菌和病毒. (1)前两个指标可以利用______(填物质名称)的吸附作用而达到. (2)自来水厂生产自来水的过程如图1所示 由图可知净化水时,③④两个指标可通过______(填字母)过程而达到. (3)水的硬度是一项重要的化学指标.日常生活...
【单选题】下列关于人的本质的说法中,不正确的是()
A.
人的本质是发展变化的
B.
人的本质是现实具体的
C.
人的本质是后天形成的
D.
人的本质是先天相同的
【简答题】已知空间四边形ABCD中,M、N分别为AB、CD的中点,则下列判断正确的是(  ) (A)MN≥ (AC+BD)         (B)MN≤ (AC+BD) (C)MN= (AC+BD)          (D)MN$amp; (AC+BD)
【单选题】空间四边形ABCD中,M,N分别是AB和CD的中点,AD=BC=6,MN=3 2 ,则AD和BC所成的角是(  )
A.
120°
B.
90°
C.
60°
D.
30°
【单选题】如图,空间四边形ABCD中,M、N分别是DA、BC上的点,且AM:MD=BN:NC=1:2,又AB=3,CD=6,MN与AB、CD 所成的角分别为α,β,则α,β之间的大小关系为 [     ]
A.
α>β
B.
α<β
C.
α=β
D.
不确定
【单选题】2018年4月:下列关于人的本质的说法中,不正确的是()
A.
人的本质是发展变化的
B.
人的本质是现实具体的
C.
人的本质是后天形成的
D.
人的本质是人人相同的
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