[单项选择]Mr. Ross built a lab （　） when he was forty.
A. for his own himself
B. of him own
C. for his own
D. of his own

When did he awake
It was late（）when he awoke.

When lab rats sleep, their brains revisit the maze they navigated during the day, according to a new study (1) yesterday, offering some of the strongest evidence (2) that animals do indeed dream. Experiments with sleeping rats found that cells in the animals’ brains fire in a distinctive pattern (3) the pattern that occurs when they are (4) and trying to learn their way around a maze.
Based on the results, the researchers concluded the rats were dreaming about the maze, (5) reviewing what they had learned while awake to (6) the memories.
Researchers have long known that animals go (7) the same types of sleep phases that people do, including rapid-eye-movement (REM) sleep, which is when people dream. But (8) the occasional twitching, growling or barking that any dog owner has (9) in his or her sleeping pet, there’s been (10) direct evidence that animals (11) . If anim
A. sleeping
B. dreaming
C. awake
D. aware