题目内容
最为适宜的楼梯倾斜角为（）。
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You were on a business trip several days ago and stayed at a hotel for a couple of days. Unfortunately when you came back, your luggage case was found lost. Write to the hotel enquiring for it. Tell the manager your boarding information in detail and what your briefcase looks like, mentioning the possible place it was left, to make it more easily found. You should write about 100 words neatly on the ANSWER SHEET. Do not sign your own name at the end of the letter; use "Li Ming" instead. Do not write the address.
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Food and oxygen pass easily from mother to fetus(an unborn baby). Now it seems that fleeting sadness or happiness is also【B1】______to an unborn baby. Stress or depression in pregnancy can【B2】______a fetus, but less is known about the【B3】______of transient emotions. To【B4】______, Kazuyuki Shinohara and colleagues at Nagasaki University in Japan showed 10 pregnant volunteers a cheery 5-minute clip from the musical The Sound of Music. Another 14 watched a tear-jerking 5 minutes from The Champ. Each clip was sandwiched between two "neutral" samples【B5】______the team could【B6】______any changes in fetal movements against a baseline. The women listened to the films through headphones to【B7】______that only the effect of their【B8】______, not the sounds, were being measured. "Fetuses can hear by the last three months," says Shinohara. The team【B9】______the number of arm, leg and whole body movements【B10】______ultrasound and found that during the happy film clip the fetuses moved their arms【B11】______more than when the pregnant women watched a neutral clip.【B12】______, the fetuses of sad women moved their arms less. What makes the【B13】______of happy mothers wave isnt clear.【B14】______, such movement is a(n) 【B15】______of a working nervous and motor system, says Alexander Heazell at the University of Manchester, UK. He says the study offers us insights into how【B16】______influences affect fetuses. Shinohara suggests that sadness【B17】______more of the "fight or flight" hormone, which redirects blood away from the uterus. The fetus diverts the reduced blood【B18】______to its brain and heart and away from its limbs.【B19】______its too early to use the study to【B20】______women.
【B1】
To which of the following would John Davis most probably agree？
在高山雪地选择行进路线或宿营地点时，要警惕所选择的平地。因为在陡峻的高山地区，雪崩堆积区往往容易表现为相对平坦之地。()
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