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.

Which of the following can result from the loss of one species in a food chain?

A. The connections among the creatures in the food chain become closer.

B. Larger predators will look for other types of prey.

C. There might be a lack of food resources for some other species.

D. Animals will shift to another food chain in the community.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions from 5 to 16

Students are______less pressure as a result of changes in testing procedures.

A. under      

B. above      

C. out of      

D. upon

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

Communities in remote areas are extremely _____ to famine if crops fail

A. helpless

B. disappointed

C. vulnerable

D. defenseless

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.

Global warming will (A) get worse (B) when (C) more and more people in the world (D) will have cars.

A. get worse

B. when 

C. more and more

D. will 

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

A worrying conclusion in the study called “Heat and Learning” is that _______ global warming may affect the future income of _______ students around the world.

A. the/ the

B. Ø/ the

C. a/ many

D. Ø/ Ø