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【单选题】
小明扶老奶奶过马路,每老奶奶警察就给他一朵小红花,目的是为了增加小明扶老奶奶过马路的次数。这是属于A.
正强化
B.
负强化
C.
惩罚
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【单选题】Successful businesses tend to continue implementing the ideas that made them successful. But in a rapidly changing world, ideas often become obsolete overnight. What worked in the past won't necessari...
A.
to be drown
B.
to keep away from danger
C.
to keep out of financial difficulty
D.
to protect you from water
【单选题】Successful business tends to continue implementing the ideas that made them successful. But in a rapidly changing world, ideas often become obsolete overnight. What worked in the past won't necessaril...
A.
to be drown
B.
to keep out of financial difficulty
C.
to keep away from danger
D.
to protect you from water
【简答题】鼎盛公司是一生产企业，属于增值税一般纳税人，2010年3月发生下列相关业务：
（1）购进A类原材料，专用发票注明买价3000万元，增值税税款510万元，增值税专用发票当期通过认证；
（2）为生产产品从农业生产者手中购进免税农产品，收购凭证上注明的买价为500万元；
（3）购进B类辅助材料一批，普通发票上注明价款23.4万元；
（4）将生产出的甲产品对外销售，含增值税售价为5850万元，甲产...
【单选题】Successful businesses tend to continue implementing the ideas that made them successful. But in a rapidly changing world, ideas often become obsolete overnight. What worked in the past won't necessari...
A.
to be drown
B.
to keep out of financial difficulty
C.
to keep away from danger
D.
to protect you from water
【简答题】Complete
the sentences with words or expressions from the boxes. calendar plan out stressful organize similar throw away 1. My new job is much less _____ than the last one. 2. I’m trying to _____ my ...
【简答题】什么是打春，2016年打春是几点？
【单选题】I never use a ______ when I shop because then I always buy too much.
A.
bus
B.
trolley
C.
car
D.
friend
【单选题】I always use mnemonics to help me recall important ...... of information.
A.
spots
B.
objects
C.
items
D.
stuff
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