It is not until recently ______ there are many different kinds of hearing defects.

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问题 It is not until recently ______ there are many different kinds of hearing defects.

选项 A、have the scientists discovered
B、the scientists have discovered
C、that the scientists have discovered
D、that will the scientist have discovered

答案C

解析本句是强调句式，所以原本由于否定词在句首需要主谓颠倒的句式，在强调句里就不需要再倒装了。

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专业英语四级

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It is not until recently ______ there are many different kinds of hearing defects.

专业英语四级

Itisoftenclaimedthatnuclearenergyissomethingwecannotdowithout.Weliveinaconsumersociety,wherethereisanenor

Ascientistwhodoesresearchineconomicpsychologyandwhowantstopredictthewayinwhichconsumerswillspendtheirmoney

Aquestionthathealthconsciousconsumersmayaskwhenbuyingproduceiswhethertheyarefreeofpesticides.Butcurrently,th

Thewould-besleeperwhorefightshisdailybattlesinbed——orrehearsestomorrow’sproblems——findsithardtofallasleep.Then

Ourape-menforefathershadnoobviousnaturalweaponsinthestruggleforsurvivalintheopen.Theyhadneitherthepowerfu

1 Peoplehavebeenpaintingpicturesforatleast30,000years.Theearliestpictureswerepaintedbypeoplewhohuntedanimals

Peoplehavebeenpaintingpicturesforatleast30,000years.Theearliestpictureswerepaintedbypeoplewhohuntedanimals.T

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某患者，45岁，右耳垂下肿物5年，生长缓慢，无痛。检查肿物以耳垂为中心，界限清楚，活动，呈椭圆形，表现呈结节状，硬度中等。最可能的临床诊断是右侧腮腺()

系统误差来源于（ ）。

A、氟马西尼B、亚甲蓝C、维生素K1D、阿托品E、氯磷定用于有机磷中毒的解毒剂是

比较常见的掉期是()

下列关于储蓄国债(电子式)的发行方式的说法中，正确的是()。

医务社会工作是医疗卫生服务系统的有机组成部分。下列社会工作服务中，不属于医务社会工作内容的是()。

小刚今年十五岁，父母外出打工，由年迈的爷爷照看。小刚为了能够在网吧打游戏，偷走了邻居老大爷的手机，价值500元。案发后，小刚被带到派出所。关于此案，下列说法错误的是()。

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系统误差来源于（　　）。