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【简答题】
Let {Xt} be a stationary time series and define (a) Show that is free of t for all lags k. (b) Is {Yt} stationary?
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皮皮学刷刷变学霸
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【判断题】The minimum amount insurance should be the CIF or the CIP value of the goods plus, 20%．（ ）
A.
正确
B.
错误
【单选题】—Could you ask your father in our school? —Sure. [ ]
A.
don’t to smoke
B.
not smoke
C.
not to smoke
D.
to smoke
【单选题】The students forbidden _____ after class in WC are prevented _____ after school.
A.
to smoke; to smoke
B.
to smoke; from smoking
C.
smoking; smoking
D.
smoking; to smoke
【单选题】Our company forbids _____, that is to say, we are not allowed _____ here. [ ]
A.
to smoke; to smoke
B.
smoking; smoking
C.
smoking; to smoke
D.
to smoke; smoking
【简答题】A．smoked B．smoke-filled C．filled with smoke D．smoke-fiflling
【简答题】华盛公司在财产清查中发现现金短款2000元,请写出分录
【单选题】The doctor suggested that he __________. will not smoke B not smoke C didn’t smoke D wouldn’t smoke
A.
will not smoke
B.
not smoke
C.
didn’t smoke
D.
wouldn’t smoke
【单选题】The safe working load for the assembled cargo gear and the minimum angle to the horizontal for which the gear is designed shall be marked on the ______．
A.
deck
B.
head of the boom
C.
heel of the boom
D.
mast or king post
【多选题】高运球动作方法中,手臂动作要( )。
A.
运球时，五指张开
B.
用手指和指根以上部位及手掌的外缘触球，掌心不触球
C.
运球时以肘关节为轴，前臂自然伸屈
D.
用手腕、手指柔和而有力地按拍球
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