The word “it” in paragraph 2 refers to ______.
Giải bởi Vietjack
Giải thích: B
Từ “it” thay thế cho từ “caffeine”.
The reason that caffeine makes you feel alert and less sleepy is because it blocks the action of adenosine, the brain chemical which controls your sleep patterns, and increases adrenaline production, speeds your metabolism.
Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions.
The weather condition was too dangerous for players. We cancelled the football match yesterday.
After failing the exam, he decided to _____ his study habits to improve his grades.
Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions.
Writer Michelle McNamara was dedicated to finding out who the Golden State Killer was but A
unfortunately, she died before his identity was definitely known.
B C D
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
I believe that if you____ yourself goals in life, you’re more likely to succeed, both financially and career-wise.
Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
Social media provide entertainment and ways to connect _____ people.
Most people feel a slight ____ of nostalgia as they think back on their schooldays.
With a coastline of over 3,260 kilometres, Viet Nam is (10) __________ to many different kinds of flora and fauna
Mark the letter A, B, C or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
The principal aim of the project is to reduce pollution in the city by introducing more green spaces.
He regrets not ______ more time with his parents before leaving his hometown.
Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.
Maria said, "I went hiking in the mountains last weekend.”
It’s three years since we last visited that charming little town.
Nevertheless, there are still many other native species (14) __________ are found in the country’s dense forests.
She walked through the crowded market and chat with the vendors about the products.
A B C D
