2. 考研
  3. Food and oxygen pass easily from mother to fetus(an unborn baby). Now it seems that fleeting sadness or happiness is also【B1】___

Food and oxygen pass easily from mother to fetus(an unborn baby). Now it seems that fleeting sadness or happiness is also【B1】___

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问题     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 isn’t 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】______it’s too early to use the study to【B20】______women.
【B7】
选项 A、ensure
B、confirm
C、realize
D、witness
答案A
解析 上下文语义及动词辨析题。空格前的to．．．是目的状语，表明看电影时戴耳机的目的。that引导宾语从句，结合从句的内容及四个选项的含义，判断这里填人A项“确保”恰当。
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考研英语一

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