Choose the word whose underlined part differs from the other three in pronunciation in the following question.
A.critical
B.treat
C.trash
D.tradition

Choose the word whose underlined part differs from the other three in pronunciation in the following question.
A.brainstorm
B.brother
C.crash
D.brown

Choose the word whose underlined part differs from the other three in pronunciation in the following question.
A.learn
B.pear
C.earn
D.heard

Ba điều kiện môi trường ngoài cần thiết cho sự nảy mầm của hạt là gì?
A.Ánh sáng, nhiệt độ, độ pH thích hợp.
B.Ánh sáng, nhiệt độ, độ ẩm thích hợp.
C.Không khí, nhiệt độ, độ pH thích hợp.
D.Không khí, nhiệt độ, độ ẩm thích hợp.

Hạt sẽ mất hoàn toàn khả năng nảy mầm trong trường hợp nào dưới đây?
A.Bị luộc chín.
B.Nhúng qua nước ấm.
C.Vùi vào cát ẩm.
D.Phơi ngoài nắng.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
We need some _________ to help our skin, brain and other organs grow, but too much of it can cause health problems.
A.life expectancy
B.immune system
C.boost
D.cholesterol

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
It is _________ that we drink eight glasses of water a day.
A.recommended
B.insisted
C.ordered
D.compulsory

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Studies show that for each hour of regular exercise, people can gain two hours of additional _________.
A.life expectancy
B.natural remedies
C.nutrition
D.immune system

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
I was pleased to see how _________ she looked after her recent illness.
A.nice
B.right
C.well
D.awful

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
To take care of your vision, don’t stare _________ a computer screen for too long.
A.for
B.at
C.in
D.on