3.双曲线的一条渐近线与直线垂直,
则此双曲线的离心率是( )
A. B. C. D.
2.“”是“”的( )
A.充分不必要条件 B.必要不充分条件
C.充要条件 D.既不充分也不必要条件
1.若复数满足,则在复平面内所对应的点在( )
A.第一象限 B.第二象限 C.第三象限 D.第四象限
60.Thanks to the modern electrical_____, housework nowadays has been made easier and easier.
A. facilities B. instruments C. appliances D. tools
appliance“器具,用具”,这里表示“电器”;facilities“设备”;instrument“仪器”;tool“工具”。
59.There’re more Olympic______ winners per head of population in Australia than in other countries.
A. metal B. model C. medal D. modal
medal“奖牌”;metal“金属”;model“模型,模特,模范”;modal“情态的”。
58.He holds an important position in the company;_______, I don’t quite trust him.
A. thus B. furthermore C. otherwise D. nevertheless
nevertheless“然而”;thus“因此,这样”;furthermore“此外,而且”;otherwise“否则”。
57.She bought the painting at a much higher______ than its real_______.
A. value, price B. price, value C. value, value D. price, price
price“价格,代价”,指为获取某物所需付出的代价或作出的牺牲;value“价值,重要性”,主要指人或事物本身所具有的价格及重要性。
56.Our bodies are strengthened by taking exercise,______ our minds developed by learning.
A. probably B. likely C. similarly D. generally
similarly“相似地,同样地”;probably“可能地”;likely“很可能地”;generally“一般地”。
55.Every classroom in this modern school is_______ with a new computer.
A. equipped B. replaced C. fixed D. place
equip“装备,配备”;replace“替代”;fix“固定,修”;place“安置,放置”。
54.Several cars are available within this price________.
A. area B. filed C. land D. range
range“范围”;area“区域”;field“领域”;land“土地”。
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