Reading and answers the question:
There are five kinds of apes in the world today. Two of them-gibbons1. According to the passage, brachiation is a way of
and siamangs are true swingers. They move by brachiation, by swinging
like pendulums from branch to branch. Their arms are exceedingly
long, their hands and fingers elongated and specialized. Their bodies
5 are short and light, their legs shrunken. With that design-a minimum
of weight at the bottom of the pendulum-they can move remarkably
rapidly through he tree, swinging from branch to branch with a sureness
and smoothness that must be seen to be appreciated, often negotiating,
gaps of ten feet or more. When they come to the ground, which is
10 almost never, gibbons stand erect, wadding along on their short,
weak legs, holding out their long arms to either side for balance.
A strolling gibbon reminds one of a tightrope walker.
2. The apes discussed in the passage can most easily travel from place by
3. Based on information in the passage, a gibbon's movement in the trees could best be described as
4. As described in the passage, a strolling gibbon bring to mind a