Not a single word ________.
A.said she
B.she says
C.did she say
D.she said

A.jumps
B.arrives
C.follows
D.rains

Nghiệm của phương trình \(\sin x.\cos x.\left( {{{\sin }^2}x - {{\cos }^2}x} \right) = 0\) là:
A.\(x = \dfrac{{k\pi }}{2}\,\,\left( {k \in \mathbb{Z}} \right)\)
B.\(x = k\pi \,\,\left( {k \in \mathbb{Z}} \right)\)
C.\(x = \dfrac{{k\pi }}{8}\,\,\left( {k \in \mathbb{Z}} \right)\)
D.\(x = \dfrac{{k\pi }}{4}\,\,\left( {k \in \mathbb{Z}} \right)\)

Quy đồng mẫu số hai phân số sau ta được: \(\frac{1}{3}\) và \(\frac{7}{6}\)
A.\(\frac{2}{6}\) và \(\frac{7}{6}\).
B.\(\frac{3}{6}\) và \(\frac{7}{6}\).     
C.\(\frac{6}{3}\) và \(\frac{{21}}{6}\).
D.\(\frac{5}{6}\) và \(\frac{7}{6}\).

Có bao nhiêu tơ tổng hợp trong các tơ: xenlulozơ axetat, visco, nitron, nilon-6,6?
A.2.
B.3.
C.1.
D.4.

The word "supported" is closest in meaning to _______.
A.upheld
B.investigated
C.finished
D.adjusted

Unless this biodiversity were maintained, marine life would be at stake.
A.If this biodiversity were maintained, marine life would be at stake.
B.If this biodiversity weren’t maintained, marine life would be at stake.
C.If this biodiversity were maintained, marine life wouldn’t be at stake.
D.If this biodiversity weren’t maintained, marine life wouldn’t be at stake.

We'd better speed up if we want to get to the concert in time.
A.put down
B.lie down
C.slow down
D.turn down

What is the main idea of this reading?
A.The ancient Egyptians used a lot of makeup.
B.People have always used makeup.
C.Some cosmetics in the past were dangerous.
D.Italian women had the best makeup.

The novel was such interesting that I read it from the beginning to the end in 4 hours.
A.such
B.read
C.the beginning
D.in