皮皮学,免费搜题
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搜题
【单选题】
营养物质的主要吸收部位在
A.
B.
十二指肠
C.
小肠
D.
大肠
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参考解析:
知识点:
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举一反三
【单选题】Two balls are___.
A.
under the desk
B.
in the wall
C.
to here
D.
at desks
【简答题】二次打击假说(two hit hypothesis)
【单选题】The robots can locate colored balls by means of ______.
A.
a charge-coupled device
B.
two cameras
C.
two contact sensors
D.
a digital detector
【单选题】一幅400×600像素的黑白两色图像与一幅同样像素的16色彩色图像相比,需要的储存空间______。
A.
前者肯定大于后者
B.
完全相同
C.
后者肯定大于前者
D.
无法判定其大小关系
【单选题】If there are eight red balls, two white balls, pick two at random, what is the probability that we will get two balls with the same color (either 2 red balls or 2 white balls)?
A.
16/45
B.
1/10
C.
29/45
D.
2/10
【判断题】• The two balls are dropped at the same time and hit the ground at the same time.
A.
正确
B.
错误
【单选题】Two balls are___.
A.
under the desk
B.
in the wall
C.
to here
D.
at desks 答案A
【判断题】• The two balls hit each other just after they hit the ground.
A.
正确
B.
错误
【单选题】If there are 5 white balls and 3 black balls in a bag. Pick two randmly, what is the probability that two balls are all white balls?
A.
5/8
B.
5/14
C.
D.
None of the above
【简答题】回答第 127~130 题: 第 127 题 气雾剂中作抛射剂的是( )。
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