In fact _____ is a hard job for the police to keep order in an important football match. [ ]
A.
this
B.
that
C.
there
D.
it
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参考答案:
举一反三
【判断题】An IC datasheet contains at least the following information: product name, short functional description, pin connection diagram, and application circuit.
【判断题】An IC datasheet contains at least the following information: product name, short functional description, pin connection diagram and application cirsuit.