文档介绍：Dogs share many of the same _______ as humans and can easily show emotion.
A. attributes
B. distributes
C. tributes
D. reattributes
2.
Compared to my pet frog, that horse seemed like a _______ animal.
A. miniature
B. typical
C. giant
D. short
3.
It might be hard to believe but some ants are _______ of carrying more than ten times their body weight!
A. capable
B. capability
C. able
D. ability
4.
Over millions of years, animals on Earth _______ and adapted to many different environments.
A. grew
B. involved
C. developed
D. evolved
5.
Polar bears are able to stay warm in such cold places because they have a thick _______ of fat beneath their fur.
A. layer
B. coat
C. sheet
D. stack
6.
Many animals, like chipmunks, live underground in works of _______ that they dig.
A. holes
B. tunnels
C. openings
D. caves
7.
Elephants are often called _______ animals because of their size, beauty, and elegance.
A. enormous
B. magnificent
C. interesting
D. compelling
8.
Scientists have been studying DNA for years but they've only _______ a fraction of the information it contains.
A. covered
B. recovered
C. discovered
D. uncovered
9.
Charles Darwin suggested that humans and apes, such as chimpanzees, shared a similar _______ from mon ancestor.
A. descent
B. ascent
C. descendent
D. descendant
10.
There is a famous story about a lion that had a thorn stuck in its _______.
A. hand
B. paw
C. hoof
D. flipper
11.
When he wants to go outside, my dog will _______ bark at the front door until someone opens it.
A. unreliably
B. previously
C. distractedly
D. repeatedly
12.
Penguins may look a little silly walking on land, but they _______ through water beautifully.
A. leap
B. glide
C. squirm
D. drape
13.
When a tiger shows its teeth, that's an _______ that it is about to attack.
A. indicate
B. indicative
C. indication
D. indicating
14.
Many fish