单选题
From the passage we know that toaster, stove and oven ______.
A、
cannot understand the author's instructions
B、
are all devices used in the kitchen
C、
are useless without the help of computers
D、
are invented for the life in the 21st century
【正确答案】
B
【答案解析】
本题为客观细节题。从第三段第二句“Just tell a toaster，stove or other kitchen devices what to do，and if will hear the message"可推断B为正确选项。
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