A.My father drives me to school
B.About 20 kilometres
C.About 5 minutes
D.Let me see

A.My father drives me to school
B.About 20 kilometres
C.About 5 minutes
D.Let me see

A.very soon
B.very late
C.very boringly
D.very happily

A.following
B.giving up
C.trying
D.interrupting

A.following
B.giving up
C.trying
D.interrupting

A.ran
B.was running
C.has run
D.had been running

A.
B.
C.
D.

A.\({q_1} > 0\) và \({q_2} > 0\).
B.\({q_l} < 0\) và \({q_2} < 0.\)
C.\({q_1}.\,{q_2} < 0\).
D.\({q_{1.}}.{q_2} > 0\)

A.\(0,44eV\).
B.\(4,56eV\).
C.\(2,28eV\)
D.\(0,22eV\).

A.lệch pha góc \(\frac{{2\pi }}{3}.\)
B.ngược pha.
C.vuông pha.
D.cùng pha.