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The Channel Islands are a group of Britishowned islands lying in the English Channel(海峡) , 10 to 30 miles off the French coast , and 70 to 90 miles from the English coast. There are ten islands with a total land area of 75 square miles and a total population of 123,000. The three largest islands, Jersey, Guernsey, and Alderney, have long been known for the fine breeds(品种) of cattle that are raised on them and named after them. In earliest known history the islands were considered part of Normandy, whic h was part of France, but the ruler of Normandy became king of England in 1066, and from then on the islands were looked upon as British land. English control was unbroken until World War Ⅱ,when the Germans held the islands for five years. Although people on the islands speak both languages and they are considered English, their customs are more French than English. 1.Which of the following maps gives the right position of the Channel Islands? Br='Britain            ' Fr='France           ' Ch='Channel' Islands 2.Jersey,Guernsey, and Alderney breeds of cattle are  ________ . A. considered best in England B. named after their birthplaces C. brought to the islands by the Germans D. raised on wellknown farms by the French 3.The Channel Islands have been continuously under British rule since ___________. A. earliest known history               B. 1066 C. 1930s                                D. the end of World War Ⅱ 4.Why do people on the Channel Islands follow French way of living? A. Their islands used to be part of Frence. B. Their islands are often visited by the French. C. They came from France. D. They speak French.
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【简答题】高斯记号[x]表示不超过实数x的最大整数,如[-1.23]=-2,[1.23]=1.若 x=- 5 -1 ,则(x-[x])([-x]-1-x)=______.
【简答题】某企业为一般纳税人,该企业将200箱新研制的用天然材料制成的饮料作为福利发给本企业职工,饮料的实际生产成本为每箱80元。此项应核定其销售额为17600元。 ( )
【简答题】如图,AD⊥BC于D,EG⊥BC于G,∠E=∠3,试说明:AD平分∠BAC. 答:∵AD⊥BC,EG⊥BC ∴AD∥EG(    ) ∴∠1=∠E(    ) ∠2=∠3(    ) 又∵∠3=∠E ∴∠1=∠2 ∴AD平分∠BAC(    )
【单选题】已知回归直线斜率的估计值是1.23,样本平均数 . x =4, . y =5 ,则该回归直线方程为(  )
A.
y =1.23x+4
B.
y =1.23x+0.08
C.
y =0.08x+1.23
D.
y =1.23x+5
【简答题】①6x-4.8×0.4=5.28②2x+6x=4.8.
【简答题】洛特卡定律研究的是()的生产率问题。
【单选题】已知回归直线斜率的估计值为1.23,样本点的中心为点(4,5),则回归直线的方程为(  )
A.
=1.23x+4
B.
=1.23x+5
C.
=1.23x+0.08
D.
=0.08x+1.23
【单选题】若回归直线方程的斜率的估计值是1.23,样本点的中心为(4,5),则回归直线的方程是(  ).
A.
=1.23 x +4
B.
=1.23 x +5
C.
=1.23 x +0.08
D.
=0.08 x +1.23
【简答题】直接写出得数. 10-4.99= 15-15÷5= 0.56÷8= 1÷ 5 6 = 1.23×0.5= 4.8+1.77=
【简答题】V3.7增值税一般纳税人网上申报教学版案例01-制造业-20190617.doc
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