That is one of those books that _____ worth reading. [ ]
A. is
B. have
C. has
D. are
答案:D
80年代中期,中国适时地调整了外交政策,改变了()
A.“一边倒”方针
B.反对帝、修、反的方针
C.“另起炉灶”方针
D.“一条线”方针
胃十二指肠溃疡引起大出血的原因是()
A.溃疡周围黏膜炎性糜烂
B.溃疡侵及胰腺
C.溃疡壁血管脆性增加
D.溃疡基底的动脉被侵蚀破裂
E.胆汁反流加重黏膜损害