A.\(\dfrac{{\sqrt 3 }}{2}\)
B.\(\dfrac{1}{3}\)
C.\(\dfrac{{\sqrt 3 }}{6}\)
D.\(\dfrac{{2\sqrt 3 }}{3}\)

A.\(a + b > c\)
B.\(a + b = c\)
C.\(b + c > a\)
D.\(c - b > a\)

A.\(\dfrac{{{V_1}}}{V} = \dfrac{1}{6}\)
B.\(\dfrac{{{V_1}}}{V} = \dfrac{1}{3}\)
C.\(\dfrac{{{V_1}}}{V} = \dfrac{{\sqrt 3 }}{2}\)
D.\(\dfrac{{{V_1}}}{V} = \dfrac{{\sqrt 2 }}{9}\)

A.\(\dfrac{{729}}{5}\)
B.\(\dfrac{{93}}{8}\)
C.\(\dfrac{{531}}{4}\)
D.\(\dfrac{{69}}{8}\)

A.\(\dfrac{{\sqrt 6 {a^3}}}{{18}}\)
B.\(\dfrac{{\sqrt 2 {a^3}}}{{12}}\)
C.\(\dfrac{{\sqrt 2 {a^3}}}{6}\)
D.\(\dfrac{{\sqrt 6 {a^3}}}{{12}}\)

A.\(\dfrac{1}{4}\)
B.\(4\)
C.\(2\)
D.\(\dfrac{1}{2}\)

A.Susan wishes that she applied for the summer job in the cafe.
B.Susan feels regret because she didn't apply for the summer job in the cafe.
C.If only Susan didn't apply for the summer job in the cafe.
D.Susan wishes that she had applied for the summer job in the cafe.

A.punctuality
B.punctual
C.punctuate
D.punctually

A.tăng gia sản xuất.
B.chia ruộng đất cho nông dân.
C.tổ chức quyên góp trong nhân dân.
D.điều hòa thóc gạo giữa các địa phương trong cả nước.

A.kế hoạch Đờ lát đơ Tátxinhi.
B.kế hoạch Nava.
C.kế hoạch Xalăng.
D.kế hoạch Rove.