若存储周期100内秒，每次读出一个字节，则该存储器的数据传输率为()。
A. 32×106位／秒
B. 8×106位／秒
C. 80Mb／秒
D. 80×106位／秒
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Generally, the host tells the guest where______.
A. the toilet is
B. the kitchen is
C. the bedroom is
D. the study is
The influenza outbreak in this story began in______.
A. Singapore
B. China
C. Hong Kong
D. India
The sputniks hanging from the ceiling are intended______.
A. to help maintain (维持) good order in the store
B. to make films that can be used as evidence
C. to be used as evidence against customers
D. to frighten shoplifters by their appearance
A postage stamp's value to collectors is raised if______.
A. there are few others like it
B. there are no errors on the stamp
C. a mistake is made in the printing
D. both A and C
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