While sleeping, some water mammals tend to keep half awake in order to __________.

试卷相关题目

• 1The example of a bird sleeping in front of a mirror indicates that _____________.

  A.birds prefer to sleep in pairs for the sake of security

  B.the phenomenon of birds dozing in pairs is widespread

  C.a single pet bird enjoys seeing its own reflection in the mirror

  D.even an imagined companion gives the bird a sense of security

  开始考试点击查看答案
• 2According to the passage, birds often half sleep because ______________.

  A.they have to constantly keep an eye on their companions

  B.the two halves of their brain are differently structured

  C.they have to watch out for possible attacks

  D.their brain hemisphere take turns to rest

  开始考试点击查看答案
• 3A new study on birds’ sleep has revealed that ____________.

  A.birds can control their half-brain sleep consciously

  B.birds seldom sleep with the whole of their brain at rest

  C.half-brain sleep is found in a wide variety of birds

  D.half-brain sleep is characterized by slow brain waves

  开始考试点击查看答案
• 4In ________ times human beings did not travel for pleasure but to find a more favourable climate.

  A.prime

  B.primitive

  C.primary

  D.preliminary

  开始考试点击查看答案
• 5Put on dark glasses or the sun will ________ you and you won’t be able to see.

  A.discern

  B.distort

  C.distract

  D.dazzle

  开始考试点击查看答案
• 6By “just the tip of the iceberg” (Line 2, Par

  A.8), Siegel suggests that ____________.A.half-brain sleep is a phenomenon that could exist among other species

  B.most birds living in cold regions tend to be half sleepers

  C.the mystery of half-brain sleep is close to being solved

  D.half-brain sleep has something to do with icy weather

  开始考试点击查看答案
• 7Which of the following is evidence that TT is widely practiced、

  A.TT has been in existence for decades.

  B.Many patients were cured by therapeutic touch.

  C.TT therapists are often employed by leading hospitals.

  D.More than 100,000 people are undergoing TT treatment.

  开始考试点击查看答案
• 8Very few TT practitioners responded to the $1 million offer because ____________.

  A.they didn’t take the offer seriously

  B.they didn’t want to risk their career

  C.they were unwilling to reveal their secret

  D.they thought it was not in line with their practice

  开始考试点击查看答案
• 9The purpose of Emily Rosa’s experiment was ____________.

  A.to see why TT could work the way it did

  B.to find out how TT cured patient’s illness

  C.to test whether she could sense the human energy field

  D.to test whether a human energy field really existed

  开始考试点击查看答案
• 10Why did some TT practitioners agree to be the subjects of Emily’s experiment、

  A.It involved nothing more than mere guessing.

  B.They thought it was going to be a lot of fun.

  C.It was more straightforward than other experiments.

  D.They sensed no harm in a little girl’s experiment.

  开始考试点击查看答案