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【单选题】
用老幼剂量折算表换算,60岁老人的剂量为成人剂量的()
A.
3/4
B.
4/5
C.
2/3
D.
3/5
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参考答案:
举一反三
【简答题】信阳——北京运价里程是997km,则区段中间里程是 km。(括号内只填数字,不要带单位)A. 1000
【单选题】直通运价里程在铁路客运运价里程表中的各站均有()。
A.
北京、上海、郑州、兰州
B.
北京、上海、郑州、广州
C.
北京、郑州、沈阳、济南
D.
北京、上海、郑州、沈阳
【简答题】The brain is the boss of the body. Your eyes, ears, nose, and skin tell your brain what is going on around you. Other parts of your body tell your brain what is going on inside of you. Your brain take...
【单选题】一单绕组双速电动机,绕组接线图如下所示,高速时端子该如何接( )。【图片】
A.
1,2,3接电源,4,5,6空着
B.
1,2,3接电源,4,5,6短接
C.
4 , 5 , 6 接电源, 1 , 2 , 3 空着
D.
4 , 5 , 6 接电源, 1 , 2 , 3 短接
【单选题】Your finger has the same DNA ____ your hair. [     ]
A.
with
B.
for
C.
as
D.
to
【单选题】5 molNa 2 SO 4 中含有Na + 的数目是(    )个。
A.
3.01×10 23
B.
6.02×10 23
C.
0.5
D.
1
【单选题】Prior to reading an aneroid barometer,you should tap the face lightly with your finger to ().
A.
expose any loose connections
B.
demagnetize the metal elements
C.
bring the pointer to its true position
D.
contract and expand the glass face
【单选题】在0.5molNa 2 SO 4 中含有Na + 的数目是 [     ]
A.
3.01×10 23 个
B.
6.02×10 23 个
C.
0.5个
D.
1个
【单选题】If you cut your finger, you should _______.
A.
first stop the bleeding using a clean cloth
B.
wash your finger with soap and water at once
C.
cover the area with any piece of cloth
D.
go to the hospital even if bleeding stops in a few minutes
【单选题】5 molNa 2 SO 4 中含有Na + 的数目是 [     ]
A.
3.01×10 23 个
B.
6.02×10 23 个
C.
0.5 个
D.
1 个
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