A.随机观察
B.直接观察
C.参与观察
D.测量观察
fill a large balloon(3)hot air, they thought it would rise into the air and fly.They were right.They made a very large hot air balloon of cloth and paper.It measured ten meters it diameter.They filled it with hot air and the balloon got two hundred meters into the air.It fell into earth about three kilometers away.
At the next attempt, they (4) passengers use a bal loon to rise into the air and fly.We do not know what the passengers fell about the trip as they were a cock, a duck, and a sheep But we (5) know that the trip lasted eight minutes and the animals landed safely.(完型填空)
A.Instead
B.Pair
C.Do
D.Arranged
E.With
B.税目具体规定一个税种的征税范围,体现征税的广度
C.税目具体规定一个税种的征税范围,体现征税的深度
D.税目具体规定一个税种的税收负担,体现征税的深度
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