首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Once they decided to have children, MiShel and Carl Meissner tackled the next big issue: Should they try to have a girl? It was
Once they decided to have children, MiShel and Carl Meissner tackled the next big issue: Should they try to have a girl? It was
admin
2016-04-30
44
问题
Once they decided to have children, MiShel and Carl Meissner tackled the next big issue: Should they try to have a girl? It was no small matter. MiShel’s brother had become blind from a hereditary(遗传的)condition in his early 20s, and the Meissners had learned that the condition is a【C1】______passed from mothers to sons. If they had a boy, he would have a 50 per cent chance of having the condition. A girl would be【C2】______
The British couple’s【C3】______about gender selection led them to Virginia, US where a new sperm(精子)-separation technique, called MicroSort, was under【C4】______When MiShel became pregnant, she gave birth to a daughter. They will try to have a second daughter using the technique later this year.
This is not only a【C5】______effective way to select a child’s gender. It also brings a host of ethical(伦理的)and practical considerations—especially for the majority of families who use the technique for【C6】______reasons.
The clinic offers sex selection for two purposes: to help couples【C7】______passing on a gender-linked【C8】______disease and to allow those who already have a child to "balance" their family by having a baby of the opposite sex.
The technology is still【C9】______However, Blauer says the company has an【C10】______success rate: 91 per cent of the women who become pregnant after sorting for a girl are successful, while 76 per cent who sort for a boy and get pregnant are successful.
A)genetic B)overlapped C)impressive D)unaffected
E)perpetually F)investigation G)inquiries H)feats
I)disorder J)gropes K)experimental L)seemingly
M)elicit N)nonmedical O)avoid
【C4】
选项
答案
F
解析
此处应为名词,可与under搭配,表明精子分离技术的现状。在词库的名词中,investigation最适合文中语境,under investigation表明这种技术正处于发展研究当中。
转载请注明原文地址:https://kaotiyun.com/show/oAG7777K
0
大学英语六级
相关试题推荐
TheAmericaneconomicsystemisorganizedaroundabasicallyprivateenterprise.It’s【B1】______economyinwhichconsumersdeterm
TheAmericaneconomicsystemisorganizedaroundabasicallyprivateenterprise.It’s【B1】______economyinwhichconsumersdeterm
A、He’sunwillingtobeimmunized.B、Hedoesn’tgetenoughrest.C、Heforgetstotakehismedicine.D、Hedoesn’tdresswarmlyeno
A、Walkingthedog.B、Cuttingthegrass.C、Takingcareofthechildren.D、Feedingthefish.C细节题。Marsha照看房子的时候要修剪草坪,给植物浇水,Eric托管房
Goinghungryisamajorcontributortoillhealth,particularlyamongchildren,andanewreportrevealshowlong-lastingtheda
Goinghungryisamajorcontributortoillhealth,particularlyamongchildren,andanewreportrevealshowlong-lastingtheda
A、TheyproducedmorecarsthanAmericanmanufacturers.B、Theyreducedcar-productioninAmerica.C、Theygaveupmoremarketshar
A、Becauseofthestressfactors.B、Becauseoftheleisureactivities.C、BecauseoftheTVwatching.D、BecauseofthegeneralAme
ForAmericans,timeisa"resource"that,likewaterorcoal,canbeusedwellorpoorly.Thefuturewillnotbebetterthanthe
A、VisitinganIndianreservation.B、Hikingthroughnationalparks.C、ClimbingupRockyMountains.D、Raftingontherushingwater
随机试题
Iamfeelingtootiredtodriveanymore,willyou______?
原癌基因的激活方式主要有
患者男,25岁。平静状态下,没有任何先兆,心跳突然加速,脉搏多在200次/分,伴有心慌、头晕、乏力,偶尔出现胸痛、呼吸困难。心电图检查后诊断为阵发性室上性心动过速,可用于治疗的药物是
吉兰-巴雷综合征脑脊液蛋白细胞分离最明显的时间是
进行期白疤、红皮病型白疤外用药可选用
某市劳动行政部门在一次执法检查中发现,甲公司新聘用的推销员王某年仅17周岁,遂拟对甲公司处以罚款2000元;甲公司在申辩意见中提出,王某已年满16周岁,具备法定的劳动权利能力和行为能力,甲公司的聘用行为并不违法。甲公司的申辩意见成立。()
美国心理学家斯腾伯格提出的智力理论是()。
讯通驾校希望减少中老年学员的数量。因为一般而言,中老年人的培训难度较大。但统计数据表明,该校中老年学员的比例在逐渐增加。很显然,讯通驾校的上述希望落空了。以下哪项如果为真,最能削弱上述论证?
.()(1)x,y算术平均值为3,几何平均值为.(2)x2,y2的算术平均值为16,x,y的比例中项为2.
Everyoneissurprisedthatshehasfallenoutwithherboyfriend.Theunderlinedpartmeans______.
最新回复
(
0
)