男性，41岁。胃溃疡行毕Ⅱ式胃大部切除术后第5天，出现上腹膨胀感和呕吐，呕吐物含大量

Nina came here lots of times and             she met her aunt.    [ ]

A. finally                  

B. last      

C. hardly                

D. although

金属板受弯曲和加工过的部位都会产生加工硬化。

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.

下列为非遗传毒性致癌物的是（）。

A.烷化剂

B.雌激素

C.芳香胺

D.酒精

E.多环芳胺

斜齿轮法面的齿顶高和齿根高（）端面的齿顶高和齿根高。

A、大于

B、等于

C、小于

D、不大于