1. PART A: What is the main idea of the article?
A. Astronauts must take special steps to eat in
space and keep their kitchen clean.
B. When astronauts are in space, they don't
worry about eating right or cleaning.
C. Eating and cleaning the kitchen in space is
no different than doing so on Earth.
D. Astronauts are more active in space and
therefore have to eat more food.