Peter Blake is a successful businessman, but he (1) to be very poor. He had nowhere to live and (2) working in a pub when he (3) to start his own business. Peter had always (4) interested in plants and flowers, (5) he decided to set up a company (6) cared for the plants in big offices. At first he worked on his (7), but soon he took (8) two people to help him. The company has been growing (9) for the last ten years. Peter is now very rich, (10) he complains that now he doesn’t work with plants but with a computer every day!
9（）
Most people are right-handed and children usually have the same handedness as their parents. This suggests that genes are at work. But identical twins have identical genes, so genes cannot be the whole story. Cultural attitudes seem to have played an important part in the development of hand preferences. In the past, left-handed have suffered anything from teasing to flogging. Even today in some countries en forced right-handedness, particularly for writing and eating, is still common.
To explain the observed patterns of handedness, researchers have devised what is known as a’ geneculture coevolution’ model. The initial assumption of the model-drawn from observation of non-human primates and other mammals such as mice-is that early on in human evolution, the genetic make-up of individuals inclined them to prefer one hand or the other, but that the population was equally divided between right and left-handed people. Over time, according to the model, the intera
A. Do identical twins have the same handedness
B. Is language conducive to survival
C. Is the "gene-culture coevolution" model reliable
D. Why are some people left-handed
A.脾、肾静脉分流术
B.门腔静脉分流术
C.脾切除术
D.贲门周围血管离断术
E.腹腔-静脉转流术
Recently, I flew to Las Vegas to attend a meeting. As we were about to arrive, the pilot announced with apology that there would be a slight (16) before setting down. High desert winds had (17) the airport to close all but one runway. He said that we would be (18) the city for a few minutes waiting to (19) . We were also told to remain in our seats meanwhile with our seat belts fastened (20) there might be a few bumps(颠簸). Well, that few minutes turned into about four-five minutes, including a ride that would make a roller coaster(过山车) (21) by comparison. The movement was so fierce that several passengers felt (22) and had to use airsickness bags. As you might guess, that’ s not a good thing to have happen in a(n) (23) space because it only (24) to increase the discomfort of the situation.
About twenty minutes into the adventure, the entire airplane became very (25) There was now a sense of anxiet
A. health
B. safety
C. joy
D. future
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