[单项选择]Some animals sleep in wintertime because the weather can be very cold and it is difficult for them to find food. They can sleep for a long time (from autumn to spring). This kind of winter sleep is called "hibernation".
If an animal moves about a lot, it needs food. Hibernating animals do not need to eat much because they are not moving about. Their hearts beat very slowly and they also breathe slowly. They find a place that is sheltered from bad weather and they are out of danger. Their body fat keeps them live and warm.
Some animals, such as bears, may wake up from their hibernation on warm winter days and then quickly go back to sleep again when they see the snow is still thick on the ground. When the weather becomes warmer in spring, the animals wake up for food.
What keep them live in winter
A. Food they store．
B. Their body fat.
C. The snow．

[单项选择]Some animals sleep in wintertime because the weather can be very cold and it is difficult for them to find food. They can sleep for a long time (from autumn to spring). This kind of winter sleep is called "hibernation".
If an animal moves about a lot, it needs food. Hibernating animals do not need to eat much because they are not moving about. Their hearts beat very slowly and they also breathe slowly. They find a place that is sheltered from bad weather and they are out of danger. Their body fat keeps them live and warm.
Some animals, such as bears, may wake up from their hibernation on warm winter days and then quickly go back to sleep again when they see the snow is still thick on the ground. When the weather becomes warmer in spring, the animals wake up for food.

Why do some animals sleep in wintertime
A. Because the cold weather makes it hard for them to find food.
B. Because they need rest.
C. Because there is no place for them to play in winer.

[单项选择]Some stories bring a smile, because they （　） some officials who care nothing but their own position.
A. make sense of
B. poke fun at
C. give rise to
D. let go of

[单项选择]
The United States Food and Drug Administration(美国食品药品管理局) has ordered companies to place strong new warnings on thirteen drugs that treat sleep disorders, It also ordered the makers of the sleeping pills to provide information for patients explaining how to safely use the drugs.
Last Wednesday, the FDA announced that some of these drugs can have unexpected and dangerous effects. These include the risk of life-threatening allergic (过敏性的) reactions. They also include rare incidents of strange behavior. These include people cooking food, eating and even driving while asleep. The patients later had no memory of doing these activities while asleep.
Last year, a member of the United States Congress said he had a sleep-driving incident. Patrick Kennedy, a representative from Rhode Island, crashed his car into a security barrier near the building where lawmakers meet. The accident happened in
A. Right
B. Wrong
C. Not mentioned