首页
登录
职称英语
When Louise Brown was born on 25 July 1978, she kicked off an era. The first
When Louise Brown was born on 25 July 1978, she kicked off an era. The first
游客
2024-01-27
6
管理
问题
When Louise Brown was born on 25 July 1978, she kicked off an era. The first "test tube baby" is a mother herself now, and she’s been joined by millions of others born with the【C1】______of in vitro fertilization(体外受精), or IVF. Now specialists wonder whether people who were conceived by IVF are likely to be【C2】______.
"By and large, the kids are just fine. It’s not like the kids having【C3】______arms or heads," says Carmen Sapienza, a scientist at Temple University. But none is older than their early 30s, and the vast【C4】______are under the age of 20, so they haven’t had time for long-term health problems to show up.
One source of worry is that so many IVF babies have low birth weight. Children-conceived through IVF are more likely to【C5】______less than 2.5 kilograms than are babies conceived【C6】______. That could spell trouble ahead, because low-birth-weight babies often have long-term health problems. They’re more likely to be obese, to have diabetes(糖尿病)or other problems.
With that in mind, Sapienza and colleagues have looked at genes that are likely to play a role in such health problems. They found that certain DNA-patterns, which affect how genes are【C7】______, are different between IVF and non-IVF children. There’s no way to tell if that’s because of the【C8】______used to produce the IVF babies or whether the difference has something to do with the underlying infertility problem the parents had. It’s also【C9】______whether these gene-expression differences will translate into health differences. But it does suggest that children conceived by IVF are【C10】______on some level.
A)weigh E)unclear I)unique M)majority
B)technology F)naturally J)healthy N)minority
C)help G)expressed K)explained O)completely
D)unsure H)procedure L)extra [br] 【C7】
选项
答案
G
解析
are后面要接动词过去分词形式表被动,在宾语从句中作谓语动词。下文出现的gene-expression很好地提示此处应选expressed。
转载请注明原文地址:https://tihaiku.com/zcyy/3398114.html
相关试题推荐
WhenLouiseBrownwasbornon25July1978,shekickedoffanera.Thefirst
WhenLouiseBrownwasbornon25July1978,shekickedoffanera.Thefirst
WhenLouiseBrownwasbornon25July1978,shekickedoffanera.Thefirst
WhenLouiseBrownwasbornon25July1978,shekickedoffanera.Thefirst
WhenLouiseBrownwasbornon25July1978,shekickedoffanera.Thefirst
WhenLouiseBrownwasbornon25July1978,shekickedoffanera.Thefirst
WhenLouiseBrownwasbornon25July1978,shekickedoffanera.Thefirst
WhenLouiseBrownwasbornon25July1978,shekickedoffanera.Thefirst
WhenLouiseBrownwasbornon25July1978,shekickedoffanera.Thefirst
WhenLouiseBrownwasbornon25July1978,shekickedoffanera.Thefirst
随机试题
IsHappinesstheSecretofSuccess?
从简单分类来讲,辅导员属于()教师。A.德育 B.智育 C.任课 D.管
ATM(AsynchronousTransferMode)technol
甲状舌管囊肿(见图)好发部位是颈中线的() A.胸骨切迹上 B.
下列行业属于第三产业的是( )。A.渔业 B.纺织业 C.石头开采 D.
根据风险因素性质的不同,可以将其分为有形风险因素和无形风险因素两种类型。其中,无
Thechangeinthatvillagewasmiraculou
依据《中华人民共和国宪法》,下列表述不正确的是()。A.县级以上的地方各级
投资者把100万元人民币投资到股票市场。假定股票市场1年后可能出现5种情况,每种
某发电厂安装工程,工程内容有锅炉、汽轮机、发电机、输煤机、水处理和辅机等设备。工
最新回复
(
0
)