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【单选题】
下面关于硬盘存储器性能指标的叙述中，正确的是A.
目前市场上PC硬盘容量大多为10GB～20GB
B.
平均等待时间是指数据所在扇区旋转到磁头下的平均时间，目前大约为3μs～6μs
C.
平均寻道时间是指移动磁头到数据所在磁道(柱面所需的平均时间，目前大约是几个毫秒
D.
高速缓冲存储器Cache能提高硬盘的数据传输性能，目前容量一般为几千字节
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【单选题】When I passed her room, I heard her ___________ English. [ ]
A.
read
B.
reading
C.
reads
D.
to read
【简答题】Jones is a sales representative of Seoul Import and Export Co., Ltd. She receives the named Black from the Shanghai Toy Company. Suppose A is Jones, B is Black. A: Greeting B: Expressing thanks...
【简答题】Kasey Kaczmarek: When I read “Would my dad love me?” by Martha, I related to how Martha felt about her father. I always wondered if my dad cared about me, or if he even loved me. All the kids would be...
【单选题】When did you read a book? [ ]
A.
I readed a book at 6: 00.
B.
I read a book yesterday.
C.
Tomorrow.
【单选题】When do I read the newspaper?
A.
When I am eating my breakfast.
B.
When the bus comes.
C.
When Jim comes home.
D.
When I am in bed.
【判断题】While introducing oneself, one can talk about life, where you talk about who you are and where you are from.
A.
正确
B.
错误
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