首页
登录
职称英语
The idea of test-tube babies may make you either delighted at the wonders ’o
The idea of test-tube babies may make you either delighted at the wonders ’o
游客
2024-02-13
2
管理
问题
The idea of test-tube babies may make you either delighted at the wonders ’of modern medicine or irritated while considering the moral, or legal, or technological implications of starting life in a laboratory. But if you’ve ever been pregnant yourself, one thing is certain. You wonder what it’s like to carry a test-tube baby. Are these pregnancies normal? Are the babies normal?
The earliest answers come from Australia, where a group of medical experts at the Queen Victoria Medical Center in Melbourne have taken a look at the continent’s first nine successful invitro pregnancies. The Australians report that the pregnancies themselves seemed to have proceeded according to plan, but at birth some unusual trends did show up seven of the nine babies turned out to be girls. Six of the nine were delivered by Caesarean section. And one baby, a twin, was born with a serious heart defect and a few days later developed life-threatening problems.
What does it all mean? Even the doctors don’t know for sure, because the numbers are so small. The proportion of girls to boys is high, but until there are many more test-tube babies no one will know whether that’s something that just happened to be like that or something special that happens when egg meets sperm in a test tube instead of a fallopian tube. The same thin is true of the single heart defect. It usually shows up in only 15 out of 60000 births in that part of Australia, but the fact that it occurred in one out of nine test-tube babies does not necessarily mean that they are at special risk. One thing the doctors can explain is the high number of Caesareans. Most of the mothers were older, had long histories of fertility problems and in some cases had had surgery on the fallopian tubes, all of which made them likely candidates for Caesareans anyway.
The Australian researchers report that they are quite encouraged. All the babies are now making normal progress, even the twin with the birth defects. [br] What does the word "invitro" underlined in Paragraph 2 most probably mean?
选项
A、Normal.
B、Test-tube.
C、Built-in.
D、Formal.
答案
B
解析
语义理解题。首段第二句中carry a test-tube baby提示了invitro的含义,它的含义可以从上下文语境中推测出来。
转载请注明原文地址:https://www.tihaiku.com/zcyy/3447562.html
相关试题推荐
____________(这件夹克不但太大),thejacketdon’tmatchmytrouserseither.Apartfromb
Notonly____________(他向我收费太高),buthedidn’tdoagoodrepairjobeither.didhe
____________(两本书中没有一本持这种观点)thatthedangerofnuclearwarisincreasing.Neither
【B1】[br]【B3】A、whetherB、eitherC、neitherD、ratherA结构衔接题[考频:16]。这里要表示两种情况之一,用w
【B1】[br]【B11】A、neitherB、eitherC、bothD、soC因为空格后面有or作为提示,只有A和C两项可以搭配。B项用法是bo
【B1】[br]【B4】A、SoB、NeitherC、NorD、OnlyA本题考查倒装结构。so用于肯定句。前文为否定句时使用neither或nor
Notonly____________(他向我收费过高),buthedidn’tdoagoodrepairjobeither.didh
Theideaoftest-tubebabiesmaymakeyoueitherdelightedatthewonders’o
Theideaoftest-tubebabiesmaymakeyoueitherdelightedatthewonders’o
Forsometimepastithasbeenwidelyacceptedthatbabies--andothercreatu
随机试题
[originaltext]W:Hi,Mike,Ihavebeenconsideringjoiningavolunteergrou
主从同步法的缺点有()。A.主站时钟源发生故障时,全网将失去同步 B.主站时钟
企业文化是企业凝聚力和创造力的重要源泉。“文化赋能”行动就是要挖潜企业文化价值创
高危人群出现下列情况应考虑艾滋病,除了A.马尔尼菲青霉菌感染 B.皮肤黏膜或内
护士准备用5%苯扎溴铵加蒸馏水配成消毒皮肤用溶液,所用的10ml的5%苯扎溴铵加
《学记》指出:“独学而无友,则孤陋而寡闻”“相观而善,相互切磋”。这就启示我们在
关于资格审查资料,下列说法有误的是()。A、如果招标采用资格预审,投标时一般需要
马克思说:“黑人就是黑人,只有在一定的关系下,他才成为奴隶”,这句话说明( )
申请国家助学贷款须具备的条件有()。A:具有中华人民共和国国籍,具有完全民事行为
一住店客人未付房钱即想离开旅馆去车站。旅馆服务员揪住他不让走,并打报警电话。客人
最新回复
(
0
)