皮皮学,免费搜题
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搜题
【单选题】
潜水员过快地从海底升到水面容易发生
A.
肺不张
B.
肺气肿
C.
血栓栓塞
D.
CO 栓塞
E.
氮气栓塞
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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】女性不应从事的体力劳动
A.
体力劳动分级标准中第Ⅰ级以上作业
B.
体力劳动分级标准中第Ⅱ级以上作业
C.
体力劳动分级标准中第Ⅲ级以上作业
D.
体力劳动分级标准中第Ⅳ级以上作业
E.
体力劳动分级标准中第Ⅴ级以上作业
【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】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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