幽门螺杆菌感染，常见临床表现有上腹部和()痛，以及呕吐为多见。
A脐周
B右侧腹
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“九州”是学者们对当时领土的一种地理区域的划分，不是夏商周曾实行过的行政区划。()
IT workers can expect an improved job market in the near future because______.
A. some CIOs are planning on hiring more staff during the next three years
B. Robert Half Technology are planning on hiring more staff
C. over three-quarters of CIOs are planning on hiring new staff
D. some CIOs are planning on hiring more staff during July to August
明清的法律，反映出封建社会后期的时代特点。清代制定的《大清律例》，是中国历史上最后一部封建法典。()
采用综合多元化发展战略的企业一般都是各方面实力雄厚的大企业。()
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