(A) corona
(B) chromosphere
(C) photosphere
(D) core
27.The word "one" in line 13 refers to
(A) the Sun
(B) the corona
(C) an eclipse
(D) the surface
28. The purpose of the special instruments mentioned in line 14 is to
(A) magnify the image of the Sun
(B) block out the Sun s intense light
(C) measure the amount of energy emitted by the Sun
(D) photograph the Sun
29. It can be inferred from the passage that a clear view of the Sun s outer layer is
usually prevented by
(A) the Sun s rays
(B) an eclipse
(C) lack of light
(D) the great distance
30. The word "sensational in line 17 is closest in meaning to
(A) spectacular
(B) predictable
(C) bizarre
(D) constant
31 . According to the passage, as the corona rays reach the planets, they become
(A) hotter
(B) clearer
(C) thinner
(D) stronger
32. The paragraphs following the passage most likely discuss which of the following?
(A) The remaining layers of the Sun
(B) The evolution of the sun to its present form
(C) The eclipse of February 1 979
(D) The scientists who study astronomy
33.Where in the passage does the author compare the light of the Sun s outermost layer
to that of another astronomical body?
(A) Lines 2-3
(B) Lines 9-10
(C) Line 16
(D) Lines 22-23
Questions 34-42 .
Many of the computing patterns used today in elementary arithmetic, such as those for performing long multiplications and divisions, were developed as late as the fifteenth
century. Two reasons are usually advanced to account for this tardy development, namely,
the mental difficulties and the physical difficulties encountered in such work.
The first of these, the mental difficulties, must be somewhat discounted. The impression