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【多选题】
下列哪几项是计划生育的伦理依据( )A.
科学的人口理论支持计划生育
B.
严峻的人口形势要求计划生育
C.
价值观念的转变使计划生育成为现实
D.
医学科学的发展为生育控制提供技术支持
E.
人口素质的提升的必然通过计划生育来实现
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举一反三
【单选题】I regretted not having finished my composition last night, I to the cinema with Mary.
A.
shouldn’t have gone
B.
might have gone
C.
needn’t have gone
D.
must have gone
【单选题】he has told us, we will be punished for not having finished the work in time.
A.
Which
B.
That
C.
As
D.
What
【判断题】Preventable adj. 可阻止的,可预防的 ; [ 例句 ]Forty-thousand children a day die from preventable diseases 每天有 4 万个孩子死于本可以预防的疾病。
A.
正确
B.
错误
【单选题】I regretted not having finished my composition last night, I ____ go the cinema with Mary.
A.
shouldn’t have gone
B.
might have gone
C.
needn’t have gone
D.
must have gone
【单选题】Section A Choose the best translat ions for the following sentences. 1. Not having finished his homework, John was punished by his mother.
A.
没有完成作业，约翰被他妈妈惩罚了。
B.
因为没写完作业，约翰得到了妈妈的惩罚。
C.
由于没有写完作业，约翰受到了妈妈的惩罚。
D.
没写完作业，约翰受到了妈妈的惩罚。
【简答题】根吸收水分和无机盐的主要部位在根尖的分生区．______．
【单选题】Not having finished their jobs, _____ to leave the company.
A.
the boss forbade them
B.
they were forbidden
C.
so they were forbidden
D.
and they preferred
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