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The giraffe is the tallest modern land animal. It can be over 5. 5 meters tall. Its neck alone may be 1. 9 meters long. Yet the giraffe has only seven bones in its neck, the same number as in the humans’. Even a small bird has many more bones in its neck than a tall giraffe. Each bone in a giraffe’s neck is very long, while the bones in a human’s neck are short. That makes the difference. A female giraffe gives birth to one baby at a time. The baby, called a calf, is about 1. 9 meters tall at birth. By the age of eight it is full-grown. The giraffe eats mostly leaves. Because it has a long neck, it can reach the leaves high up on the trees. 小题1:In this passage the underlined word “giraffe” means _______. A.鲸鱼 B.长颈鹿 C.大象 D.河马 小题2:The bones in a bird’s neck are _______. A.as big as in a human’s neck B.as big as in a giraffe’s neck C.many more than in a human’s neck D.much smaller in a giraffe’s neck 小题3:Which of the following is TRUE? A.A giraffe has only seven bones. B.The giraffe is the largest animal on the land. C.It takes eight years for a giraffe to grow up. D.Most of the leaves on the trees are eaten up by giraffes. 小题4:When a giraffe is born, it is about _______. A.5. 5 meters long B.5. 5 meters tall C.1. 9 meters long D.1. 9 meters tall 小题5:We can guess when a giraffe sees a tiger _______. A.it will run away as fast as possible B.it will run to eat the tiger C.it will make the tiger bring it something to eat D.it will make one of the smallest animals bring the tiger something to eat
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【简答题】某超市在春节期间对顾客实行优惠,规定如下: 一次性购物 优惠办法 少于200元 不予优惠 低于500元但不低于200元 九折优惠 500元或超过500元 其中500元部分给予九折优惠,超过500元部分给予八折优惠 (1)王老师一次性购物600元,他实际付款______元. (2)若顾客在该超市一次性购物x元,当x小于500元但不小于200时,他实际付款______元,当x大于或等于500元时,他实...
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A.
400
B.
100
C.
200
D.
220
【单选题】某商场对顾客实行购物优惠,规定一次购物付款总额:(1)如果不超过200元,则不予优惠;(2)如果超过200元但不超过500元,则按标价给予9折优惠;(3)如果超过500元,500元按(2)条给予优惠,超过500元的部分给予7折优惠。某人两次去购物,分别付款168元和423元,假设他只去一次购买上述同样的商品,则应付款是 [     ]
A.
413.7元
B.
513.7元
C.
546.6元
D.
548.7元
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【单选题】为了使电机的旋转速度减半,变频器的输出频率必须从60Hz改变到30Hz,这时变频器的输出电压就必须从400V改变到约( )V。
A.
400
B.
100
C.
200
D.
450
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A.
380
B.
、100
C.
、190
D.
250
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A.
400
B.
100
C.
200
D.
250
【简答题】填写8位数商品编码: 针织印花棉质床单( )
【简答题】某商场对顾客实行购物优惠活动,规定一次购物付款总额: (1)如果不超过200元,则不给予优惠; (2)如果超过200元但不超过500元,则按标价给予9折优惠; (3)如果超过500元,其500元内的按第(2)条给予优惠,超过500元的部分给予7折优惠. 某人两次去购物,分别付款168元和423元,假设他一次性购买上述两次同样的商品, 则应付款是 .
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