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【单选题】
CPU的性能表现为它每秒钟能执行的指令数目。下面________是提高CPU性能的有效措施。(1).增加CPU中寄存器的数目;(2).提高CPU的主频;(3).增加高速缓存(Cache)的容量;(4).扩充磁盘存储器的容量。A.
(1)、(3)和(4)
B.
(1)、(2)和(3)
C.
和(4)
D.
(2)、(3)和(4)
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【单选题】A good storyteller must be able to hold his listeners’curiosity ________he reaches the end of the story.
A.
when
B.
unless
C.
after
D.
until
【单选题】下列表述中是规范分析的是（ ）
A.
社会面临着通货膨胀与失业之间的短期权衡取舍
B.
减少货币增长率将降低通货膨胀率
C.
社会应该要求福利者去找工作
D.
美联储将低货币增长率
【单选题】The bread comes in many different shapes; hearts are the most popular. Shapes are .
A.
the way things taste
B.
the outer form
C.
ways to cook food
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【简答题】A．Collecting objects on the beach. B．Creating models of different shapes. C．Mapping currents in the ocean. D．Tracking water pollution.
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【判断题】The multiplicity of functions carried out by proteins arises from the huge number of different shapes they adopt.
A.
正确
B.
错误
【单选题】下列表述中是规范分析的是( )
A.
社会面临着通货膨胀与失业之间的短期权衡取舍
B.
减少货币增长率将降低通货膨胀率
C.
社会应该要求福利者去找工作
D.
美联储将降低货币增长率
【简答题】The method for beer has changed over time. Hops (啤酒花), for example, which give many a modern beer its bitter flavor, are a __1__ recent addition to the beverage. This was first mentioned in ref...
【简答题】The method for beer has changed over time. Hops (啤酒花), for example, which give many a modern beer its bitter flavor, are a __26__ recent addition to the beverage. This was first mentioned in re...
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