A.That’s not true.
B.I am sure about that.
C.I don’t think so.
D.It’s not true.

A.wooden
B.surrounded
C.to fall down
D.the rain

A.wooden
B.surrounded
C.to fall down
D.the rain

A.in
B.extreme
C.about
D.are

A.for
B.have
C.found
D.organization

A.\({30^0}\)
B.\({135^0}\)
C.\({45^0}\)
D.\({90^0}\)

A.\( - \dfrac{5}{3}\)
B.\(\dfrac{5}{3}\)
C.\( - 1\)
D.\(1\)

A.\(\left( {3; + \infty } \right)\)
B.\(\left( {0;3} \right)\)
C.\(\left[ {3; + \infty } \right)\)
D.\(\left[ {0;3} \right]\)

A.\(6\)
B.\(3\)
C.\(4\)
D.\(2\)

A.\(2\pi \)
B.\(32\pi \)
C.\(\dfrac{{8\pi }}{3}\)
D.\(8\pi \)