1、Aleksandr Solzhenitsyn’s -------- proved keenest when he accurately predicted that his books would someday appear in his native Russia.

Choose the best word to go in the blank.

2、If x = 4, which of the following is greatest in value?

3、Because playing a musical instrument increases brain activity, it is sometimes used as a -------- to promote learning in children.

Choose the best word to go in the blank.

4、4.Lewis Latimer’s inexpensive method of producing carbon filaments -------- the nascent electric industry by making electric lamps commercially --------.

Choose the best words to go in the blanks.

5、We generally think of Canada as the northern neighbor of the United States, and more than half of the states extend farther north than Canada’s southernmost point.

Choose the best correction for the underlined portion.

6、As he eagerly (A) awaited the interview for (B) the job, Miguel thought it wise (C) suppressing (D) his nervousness and to display a clam he did not feel. No error (E)

Which underlined portion of the sentence below contains an error?

7、If a = 4, which of the following is equivalent to am2 + am + a ?

8、In the xy-coordinating plane, what is the area of the square with opposite vertices at (-2, -2) and (2, 2)?

9、Evidence that the universe is expanding -------- our perception of the cosmos and thus caused a -------- in astronomical thinking.

Choose the best words to go in the blanks.

10、The watercolors it has on display by the museum represent the era when Japan’s emergence from feudalism and isolation inspired its artists to explore new themes and techniques.

Choose the best correction for the underlined portion of the sentence above.