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课时作业(七) 必修2 Unit 2 The Olympic GamesⅠ.单项填空1.(2012·江西抚州市适应性测试)—I found it no use arguing with him.—________He is always .Howe B.I couldnt be more .Its a deal. D.That .—Its important to_
课时作业(三十四) 选修7 Unit 4 SharingⅠ.单项填空1.(2012·安徽名校第一次联考)It is________challenge for graduates to find________work as unemployment is very high .the B.aaC.a D.the2.—It is a pity that you missed
课时作业(二十六) 选修6 Unit 1 ArtⅠ.单项填空1.(2012·临沂市质量检测)—Be quick have to be there by 9∶00.—________but Ill try my .Thats all right B.No problemC.I cant promise D.Its impossible2.—How did you________th
课时作业(三十三) 选修7 Unit 3 Under the seaⅠ.单项填空1.—I am latefor there is too much traffic on my way to school.—Oh________.Dont lieA.take your time B.dont worryCe on D.take it easy2.Premier Wens st
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一选择题1.已知向量a(x-12)b(4y)若a⊥b则9x3y的最小值为 ( )A.2eq r(2) B.4C.12 D.6解析:由a⊥b得a·b0即(x-12)·(4y)0.∴2xy2.则9x3y32x3y≥2eq r(32x·3y)2eq r(32xy)2eq r(9)6.当且仅当32x3y即xeq f(12)y
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2013届新课标高三英语一轮复习课时跟踪检测38(B6 Unit 3)Ⅰ.单项填空1.—Have you paid the rent of the house—The rent of the house ________A.That isnt due .Are you sureC.The house needs .Please remember the amount.答案与解析:A 考查交际
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