The middle ear (A) is attached for (B) the back of (C) the throat by (D) the Eustachian tube.

Atomic nuclei are (A) believed (B) to be composed by (C) protons and neutrons in (D) equal numbers for the lighter elements.

Correct or Incorrect: The appearance of room could be improved by adding a green plants.

The story presented by Fischer is a headlong (A) tale told so effectively (B) that its momentum (C) carries the reader right through the live (D) endnotes.

Halley’s comet, viewing (A) through (B) a telescope, was quite (C) impressive (D).

According legend (A), Betsy Ross designed and sewed (B) the first (C) American flag (D).

Correct or Incorrect: His absence from the board meeting was a strong indication of his desire to leave the company.

Correct or Incorrect: The car needed gas, so the driver stopped at a service station.

The occurrence edema (A) indicates (B) the presence of (C) a serious illness (D).

Signing (A) at the outset (B) of a business deal, a contract offers the participants a certain (C) degree of legal protection from costly (D) mistakes.

A marionette is controlled by (A) means strings (B) connected (C) to (D) wooden bars.

During the annually (A) salmon migration from the sea to fresh (B) water, Alaska’s McNeil River becomes a gathering (C) place for brown bears waiting eagerly (D) to catch their fill.

The state of deep (A) asleep (B) is characterized (C) by (D) rapid eye movement, or REM, sleep.