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【判断题】
挥发分的坩埚是带有配合严密盖的瓷坩埚，坩埚总质量为15到19克。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】What is the shape of the earth and what is it covered with?
【简答题】智能控制包含 、 、 、 等重要分支。
【单选题】单片机复位后 , SP PC I/O 口的内容为
A.
SP = 60H PC = 00H P0 = P1 = P2 = P3 = FFH
B.
SP = 00H PC = 0000H P0 = P1 = P2 = P3 = 00H
C.
SP = 07H PC = 0000H P0 = P1 = P2 = P3 = FFH
D.
SP = 00H PC = 00H P0 = P1 = P2 = P3 = 00H
【简答题】What is the shape of a sharpened compass lead?
【单选题】What is the shape of the key to the automaton in Hugo?
A.
triangle
B.
pentagram
C.
round
D.
heart
参考解析：
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