Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out essential information.
A.Most of the vulnerable areas are in transition from desert to arable land; a process that because of human activity and the delicate nature of these areas, always leads to soil loss.
B.Human activity in the transition areas is vulnerable because of the fragile nature of these areas that are neither desert nor arable land because they have suffered damage to the soil
C.Soil loss in the transitional zones is especially severe where human activity is damaging the environment through agriculture which is causing the loss of soil.
D.It is the areas that exist between the deserts and the land that is usable for agriculture that are most at risk because they are susceptible to poor land management methods from human activity which will always result in the loss of soil.

The word “arable” in paragraph 2 is closest in meaning to _________- .
A.cultivatable
B.dry
C.settled
D.populated

Which of the following statements is true about desertification?
A.It has a history as long as that of civilization.
B.It was just as serious in the past as it is today.
C.It is a fairly recent problem.
D.Ancient societies managed the problem well.

Mutualism is a type of symbiosis that occurs when two unlike organisms live together in a state that is mutually beneficial.
A.alike
B.likely
C.similar
D.dislike

Hundreds came to __________ their last respects to the dead president.
A.pay
B.express
C.have
D.indicate

One of the conservation efforts is the development of wildlife__________.
A.reserves
B.reverses
C.conserves
D.reservoirs

Mark the letter A, B, C or D on your answer sheet to indicate the word that contains a consonant /θ/.
A.diphthong
B.southern
C.breathing
D.smooth

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 is believed that the thief broke into the house through the bedroom window.
A.The thief is believed that he broke into the house through the bedroom.
B.The thief is believed to have broken into the house through the bedroom window.
C.The thief was believed to break into the house through the bedroom window.
D.The thief was believed to have broken into the house through the bedroom window.

At the end of the nineteenth century, Alfred Binet developed a test for measuring intelligence ________ served as the basis of modern IQ tests.
A.it has
B.has
C.which has
D.and

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.
Fred Astaire is said to have been the most popular dancer of his time, but he was also a talented actor, a singer, and choreographer.
A.is said
B.to have been
C.of his time
D.a singer