SectionⅡReading ComprehensionPart A Directions:Read the following four texts.Answer the questions below each text by choosing [A],[B],[C]or [D].Mark youranswers on ANSWER SHEET 1....
element·innovation·component·expansion·preference·undergraduatethe technique of DNA sequencingthe fastest-growing component增长最快的部分DNA测序技术the components of a good ni...