皮皮学,免费搜题
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【简答题】
各单位负责编制本单位预算、决算草案,并按照国家规定上缴预算收入,安排预算支出,并接受国家有关部门的监督。( )
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皮皮学刷刷变学霸
举一反三
【简答题】曲线半径大小,对列车运行有什么影响?列车在曲线上运行时,产生曲线附加阻力的原因?
【判断题】在交流电电路中,纯电容上电压超前电流相位90°。
A.
正确
B.
错误
【单选题】— _____ are your trousers? — Black. [     ]
A.
How many
B.
These
C.
What colour
D.
Where
【单选题】This pair of trousers ____ Lucy's. Your trousers ____ on your bed.
A.
is; are
B.
is; is
C.
are; is
D.
are; are
【单选题】Look! Your trousers are broken. Please go and buy another ____.
A.
trousers
B.
one
C.
pair
D.
ones
【单选题】Look! Your trousers are broken. Please go and buy another ____.
A.
trousers
B.
one
C.
pair
D.
ones
【单选题】Your trousers____ dirty.You must have____ washed.
A.
is;il
B.
are;it
C.
are;them
D.
is;them
【单选题】Your trousers ____dirty, you must have _____washed.
A.
is; it
B.
are; it
C.
are; them
D.
is; them
【判断题】在交流电电路中,纯电容上电压滞后电流相位90°。
A.
正确
B.
错误
【简答题】列车在曲线上运行时,产生的曲线附加阻力的原因是什么?曲线半径的大小,对列车运行有什么影?