单项选择题

The light in this lab is too ______to be used for close work.

A．small
B．black
C．dark
D．dim
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单项选择题
It is necessary that one (met) with a judge (before signing) (the final papers) (for a divorce).
A．
A. met

B．
B. before signing

C．
C. the final papers D for a divorce
单项选择题
A magnet is able to (picking up) a piece of steel or iron because (its magnetic field) flows into the metal, turning the metal (into) a temporary magnet, and the two magnets (then attract) each other.
A．picking up
B．its magnetic field
C．into
D．then attract
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