下列哪种不是疫苗（）
A.亚单位疫苗
B.基因工程疫苗
C.合成肽疫苗
D.人免疫球蛋白制剂
E.DNA疫苗
参考答案：D
Question 28 is based on the following news. At the end of the news item, you will be given 5 seconds to answer the question.Now listen to the news.
A．He made a public appearance.
B．He published a book telling the truth.
C．He was found in a picture of a film.
D．He received an interview by a TV reporter.
桩基础的基底和桩端岩土情况需经（）确认。
A.建设单位
B.监理单位
C.设计单位
D.岩土工程勘察单位
