The Attorney General ordered a federal autopsy of Brown’s body, seeking to______the family and community there would be a thorou

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问题 The Attorney General ordered a federal autopsy of Brown’s body, seeking to______the family and community there would be a thorough investigation into his death. (2016-21)

选项 A、ensure
B、assure
C、insure
D、ascertain

答案B

解析 assure尤指“(为消除忧虑)确定地对……说,向……保证,使确信;让……放心”,assure sb.of sth.,assure sb+(that)从句。如:She assured him(that)the car would be ready the next day.她向他保证说他的车第二天就能修好。ensure表示“确保,保证”,通常用于以下句型:ensure sth.,ensure+(that)从句,ensure sb.sth.,如:I can’t ensure that he gets the job.我不敢保证他会得到那份工作;insure意为“(给……上)保险,(为……)投保”,通常和介词against搭配,如:He insured his house against fire.他给自己的房子保了火险;ascertain则表示“查明,确定”,ascertain sth..ascertain+that从句,如:I ascertained that she was dead.我断定她已经死亡。
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