41. A. ownership B. membership C. companionship D. leadership
42. A. reservations B. expectations C. confidence D. prejudice
43. A. feared B. doubted C. hoped D. learned
44. A. unsatisfied B. amused C. terrified D. thrilled
45. A. predicted B. worried C. regretted D. insisted
46. A. Flora B. Chance C. Molly D. Tilly
47. A. tied B. walked C. bathed D. fed
48. A. breath B. balance C. attention D.imagination
49. A. calm B. sure C. soon D real
50. A. By the way B. In that case C. By all means D. In thatmoment
51. A. continued B. decided C. intended D. pretended
52. A. eye B. tail C. ear D. leg
53. A. secretly B. constantly C. eventually D.unwillingly
54. A. left B. sold C. suggested D. searched
55. A. late B. hard C. fine D. free
56. A. emptied B. respected C. occupied D.discovered
57. A. looking B. caring C. waiting D. calling
58. A. delight B. credit C. interest D.disadvantage
59. A. beg B. trust C. need D. aid
60. A. toys B. awards C. food D. water
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为了解某地农村经济情况,对该地农户家庭年收入进行抽样调查,将农户家庭年收入的调查数据整理得到如下频率分布直方图:
甲、乙两城之间的长途客车均由 A 和 B 两家公司运营,为了解这两家公司长途客车的运行情况,随机调查了甲、乙两城之间的 500 个班次,得到下面列联表:
设点M在直线2x+y-1=0上,点(3,0)和 (0,1)均在M上,则M的方程为
已知向量a=(m,3),b=(1,m+1).若a⊥b,则m=__________.
在长方体ABCD- A1B1C1D1,中,已知B1D与平面ABCD和平面AA1B1B所成的角均为30°,则()