皮皮学,免费搜题
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【单选题】
Eric, age 5, has iron deficiency anemia. A liquid iron preparation has been prescribed. When administering Eric’s medication the nurse should:
A.
Ask him if he wants to take his medicine.
B.
Mix the medication in his milk bottle and give it to him at a nap time.
C.
Allow him to sip the medication through a straw.
D.
Give the medication after lunch with a sweet dessert to disguise the taste.
E.
Give the medication after breakfast with a cup of tea.
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【单选题】设计机床主变速传动系时,为避免扩大传动误差,减少振动噪声,一般限制直齿圆柱齿轮的最大升速比
A.
大于等于1/4
B.
大于等于2
C.
小于等于2
D.
小于等于1/4
【简答题】Radiator cap
【单选题】The writer compares an officer to a car radiator cap to show that ______.
A.
the officer was good for nothing
B.
he resented the officer
C.
the officer annoyed him
D.
all of the above
【单选题】常用的气割减压器有( )、乙炔减压器和丙烷减压器等。
A.
氧气减压器
B.
氩气减压器
C.
石油液化气减压器
D.
混合气减压器
【简答题】The basic components of a cooling system are radiator, radiator cooling fans, pressure cap and reserve tank, water pump, and thermostat.
【单选题】Fill the radiator__________coolant and attach a radiator cap tester
A.
with
B.
use
C.
in
D.
on
【单选题】To avoid the danger of ______, do not remove the reservoir cap while the engine and radiator are still hot.
A.
be burned
B.
burned
C.
burn
D.
being burned
【单选题】The radiator cap is designed to seal ______ so that it operates under some pressure.
A.
the lubricating system
B.
the cooling system
C.
the ignition system
D.
the fuel system
【单选题】设计机床主变速传动系时,为避免扩大传动误差,减少振动噪声,一般限制直齿圆柱齿轮的最大升速比
A.
u 主 max ≤ 2
B.
u 主 max ≥ 1/4
C.
u 主 max ≤ 2.5
D.
u 主 max ≥ 1/5
【简答题】机床主变速传动系设计时,为了避免扩大传动误差,以减少振动噪声,一般限制直齿圆柱齿轮的最大升速比不大于( )。
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