Pre-reading Activities: Listening Second listening: Listen to the tape again. Then, choose the best answer to each of the following questions. A)A"blanket of green glass being built over some low-lving cities B)Old trees being cut down in order to build houses C) A warming of the earth's temperatures D) Cloud of green dust on the planet Venus.Second Listening: Listen to the tape again. Then, choose the best answer to each of the following questions. Pre-reading Activities: Listening 2. A) A “blanket” of green glass being built over some low-lying cities. B) Old trees being cut down in order to build houses. C) A warming of the earth’s temperatures. D) A cloud of green dust on the planet Venus