当辐射表电信号输入到采集器，采集器的功能有能储存（）天以上的数据.
A.2天
B.3天
C.4天
D.5天
参考答案：B
Three fourths of the bread _______ by Bob, and the rest of the bread _______ left on the table. [ ]
A. was eaten; were
B. were eaten; was
C. were eaten; were
D. was eaten; was
BOX采集站单站（）道。
A.4
B.6
C.8
D.10
