______messaging helps me exchange written messages with my friends very quickly.
A.Text
B.Instant
C.Fast
D.Quick

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions from 1 to 2.
Domestic chores will no longer be a burden thanks to the inventions of labor saving devices.
A.Household
B.Schooling
C.Official
D.Foreign

A.influenced
B.accompanied
C.averaged
D.car

Một quả nặng có trọng lượng \(20N.\) Khối lượng của quả nặng là
A.\(200{\rm{ }}kg.\)
B.\(20{\rm{ }}kg.\)
C.\(2{\rm{ }}kg.\)
D.\(0,2{\rm{ }}kg.\)

According to the passage, how do computer-animation companies often test motion?
A.They experiment with computer-generated line drawings.
B.They hand-draw successive frames.
C.They calculate high-resolutions images.
D.They develop extensive mathematical formulas.

(20) ____
A.what
B.where
C.which
D.why

His friends tried to________ after he had failed his exam.
A.catch him up
B.clear him up
C.come him up
D.cheer him up

Rượu etylic tác dụng được với dãy gồm các chất là
A.KOH; Na; CH3COOH; O2.
B.Na; K; CH3COOH; O2.
C.C2H4; Na; CH3COOH; O2.
D.Ca(OH)2; K; CH3COOH; O2.

People _____ all trees along the streets at this time two years ago.
A.are planting
B.will have been planting
C.were planting
D.will be planting

Travel _____ into a huge industry in the last few decades.
A.has turned
B.is turning
C.has been turning
D.have turned