4. Who is____personnel at present?
A.in the charge of B.under charge of
C.under the charge of D.in charge of
She is over 70 but she ______ of the company.
A.is still in charge
B.still in the charge
C.is still under the charge
D.still charge
A chargeis placed at the origin of a coordinate system and a chargeis located aton the x-axis. The force onis found to be. A third chargeis now placed aton the x-axis. What is the net force onnow?
A、0
B、
C、
D、
A.in charge of;in charge of
B.in charge of;in the charge of
C.in the charge of;in charge of
D.in the possession of;in possession of
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