What is the main purpose of the passage?




A.To explain how a calculator works
B.To summarize the history of technology
C.To discuss innovative developments in the technology
D.To compare computers and calculators with other machines

Which of the following statements is NOT TRUE about calculators?




A.Sending codes takes place only in the memory unit of a calculator.
B.Calculators require a lot of instructions to operate quickly.
C.Calculators and computers have a memory.
D.Pressing a key activates a calculator.

A _______ is a person who studies about living creatures.




A.biology
B.biologist
C.biological
D.biologically

The word "considerable" in line 11 is closest in meaning to___________.




A.thoughtful
B.substantial
C.relational
D.ceremonial

Which of the following statements best represents the type of "evolutionary fine - turning" mentioned in line 1?




A.Different shapes of bills have evolved depending on the available food supply.
B.White-wing crossbills have evolved from red crossbills.
C.Newfoundland's conifers have evolved small cones.
D.Several subspecies of crossbills have evolved from two species.

Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.
Two friends are talking about the plan for tonight.

Minh: “_________________.”

Hoa: “I’d love to. Thank you.”




A.Would you like to go to the new coffee shop with me?
B.What would you do if you can afford a new car?
C.Would you like a cake?
D.Why do you spend so much time playing games?

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.
When the laser strikes the chemicals, it releases a form of oxygen that kills cancer cells.




A.gives out
B.contains
C.vaporizes
D.omits

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
When songs have been subjected to these processes their _______ is usually impossible to trace.




A.origin
B.originally
C.original
D.originality

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
My mom were cooking when I _______home yesterday afternoon.




A.come
B.was coming
C.came
D.had come

She said she_______.




A.was very tired last night
B.was very tired the night before
C.had been very tired the night before
D.had been very tired last night