Read the following passage and mark the letter A, B, C, or D on your answer sheet to Indicate the correct answer to each of the questions.

The term "virus" is derived from the Latin word for poison or slime. It was originally applied to the noxious stench emanating from swamps that was thought to cause a variety of diseases in the centuries before microbes were discovered and specifically linked to illness. But it was not until almost the end of the nineteenth century that a true virus was proven to be the cause of a disease.

The nature of viruses made them impossible to detect for many years even after bacteria had been discovered and studied. Not only are viruses too small to be seen with a light microscope, they also cannot be detected through their biological activity, except as it occurs in conjunction with other organisms. In fact, viruses show no traces of biological activity by themselves. Unlike bacteria, they are not living agents in the strictest sense. Viruses are very simple pieces of organic material composed only of nucleic acid, either DNA or RNA, enclosed in a coat of protein made up of simple structural units. (Some viruses also contain carbohydrates and lipids.) They are parasites, requiring human, animal, or plant cells to live. The virus replicates by attaching to a cell and injecting its nucleic acid.’ once inside the cell, the DNA or RNA that contains the virus' genetic information takes over the cell's biological machinery, and the cell begins to manufacture viral proteins rather than its own.

The author implies that bacteria were investigated earlier than viruses because____________.

Mark the letter A, B, C, or D on your answer sheet to indicate the option that best completes each of the following exchanges.

Minh: "Can I bring a friend to your birthday party?" - Hoa:" ____________."

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

(A) Before the invention of (B) the printing press, books (C) have been all printed (D) by hand.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

The film was so_____________that many viewers cried.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

_____________at the party, we saw Jenifer standing alone.

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 26 to 30.

An important part of building independence is allowing your teenagers to do things for themselves, (26) ____________their own decisions, and make mistakes. These are natural processes in life and people are wired to desire autonomy early in life. This need for early independence is designed to prepare individuals for adulthood. Allowing your children to become independent earlier in life can (27) ____________rebellion during the later stages of the teenage years. All teenagers have a need to express their individuality. Teenagers (28) ____________are not allowed to express their individuality are more likely to revolt.

(29) ____________, practicing self-reliance via independence will help eliminate public shyness and teach your kids to stand up for themselves when needed, including peer (30) ____________Early choice will also add confidence and prepare them for decision-making in adulthood.

Điền vào ô số 27

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

I'll give you another hour to_____________up your mind.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

He objected to_____________.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

If the business was bad, we would have to_____________some of our staff.

Mark the letter A, B, C, or D on your answer sheet to indicate the option that best completes each of the following exchanges.

Hoa and Nam are talking about their next exams.

Hoa: "Our final exams will start next Friday. Are you ready?" - Nam:" ____________"

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Let's go swimming, _____________?

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.

Sarah's predominant features, what you first noticed about her, were her stunning black hair and big, dark eyes.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Her talent and experience_____________her to the respect of her colleagues.

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

The Mississippi, the (A) longest river in the USA, begins (B) as small (C) clear stream in (D) northwestern Minnesota.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.

It was so hot on the bus Lucy thought she was going to faint.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

He was able to finish his book. It was because his wife helped him.