[单项选择]Cats sleep ______ day and hunt ______ night.
A. in, in B. at, at
C. during, during D. by, by

[单项选择]Cats sleep________day and hunt________night.


A. in, in
B. at, at
C. during, during
D. by, by

[单项选择]Babies sleep much longer than adults each day because ______.


A. they have nothing else to do day and night
B. they need sleep to help develop brains and bodies
C. adults find it difficult to fall asleep at night
D. adults have quite a lot of things to do during the day

[单项选择]Compare with dreamless sleep, deep dream sleep is ______.


A. not the result of natural selection
B. less likely to appear to moneys
C. more protective to the animals
D. at a higher stage of evolution

[单项选择] 第三篇：　Some Sleep Drugs Do More Than Make You Sleep 　　The United States Food and Drug Administration1 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 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 Congress2 said he had a sleep-driving incident. Patrick Kennedy, a representative from Rhode Island3，crashed his car into a security barrier near the building where lawmakers meet. The accident happened in the middle of the night and no one was hur
A. the FDA takes more strict regulations.
B. drug companies listen to patients’ advice.
C. the New York Times releases more reports.
D. people don’t drink alcohol while taking these pills.

[单项选择]Sleep is described as


A. a gradual parting from the real world.
B. undisturbed by tension or problems.
C. drowning in an ocean of darkness.
D. dependent only upon individual age and health.

[单项选择]Although cats cannot see in complete darkness their eyes are much more ______ to light than are human eyes.
A. glowing
B. brilliant
C. sensitive
D. gloomy

[单项选择]Although cats cannot see in complete darkness, their eyes are much more ______ to light than are human eyes.


A. glowing
B. brilliant
C. sensitive
D. gloomy

[单项选择]The example of dogs and cats in the second paragraph is intended to ______.


A. explain which animals are mammals
B. show the differences between mammals
C. illustrate how shallow dreamless sleep is
D. reveal how smart they are

[单项选择]About how many dogs and cats are destroyed each year


A. 6 million.
B. 15 million.
C. 30 million.
D. 1 million.

[单项选择]A person who is afraid of cats is most likely to have ______.
A. mysophobia B. acrophobia
C. zoophobia D. claustrophobia

[单项选择]Darkness doesn't trouble cats, for they can see （　）
A. in dark
B. in the dark
C. in a darkness
D. in darkness

[单项选择]I like cats but unfortunately I am （）to them.
A. vulnerable
B. allergic
C. inclined
D. hostile