— Everyone must __________ the security

题型:选择题

问题:

— Everyone must __________ the security check (安检) before getting on the plane at the airport.

— Yes. It’s necessary to ensure the passengers’ safety.

A.get through

B.get across

C.go through

D.go across

考点:实义动词实义动词的单数第三人称形式动词短语
题型:选择题

What Tom often told me in the past was                    he didn’t succeed,he would still go on studying hard until he was successful.

A.what unless

B.that

C.even if

D.that even if

题型:选择题

下列有关双位点夹心法免疫放射分析的说法错误的是()

A.针对不同抗原决定簇的两种抗体

B.抗体包被在固相载体上制成固相抗体

C.生成固相抗体一标记抗原一抗体夹心复合物

D.溶液中未被结合的剩余标记物予以洗去

E.降低了离心分离的误差

题型:选择题

我国20世纪70年代女性癌症死亡率顺位是()

A.食管癌、胃癌、宫颈癌、肝癌及肺癌

B.胃癌、肝癌、肺癌、食管癌及结直肠癌

C.肺癌、肝癌、胃癌、食管及结直肠癌

D.肝癌、食管癌、肺癌、胃癌及结、直肠癌

E.肺癌、胃癌、食管癌、肝癌及宫颈癌

题型:选择题

贯彻“以质取胜”战略,转换外贸增长方式的关键是( )

A.优化出口商品结构

B.提高出口商品质量

C.出口高新技术产品

D.提高经济效益

题型:选择题

普通感冒的典型症状是:()

A、流清鼻涕

B、胃痛

C、头晕

D、哮喘

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