Generally speaking, a British is widely regarded as a quiet, shy and conservative person who is (1) only among those with whom he is acquainted. When a stranger is at present, he often seems nervous, (2) embarrassed. You have to take a commuter train any morning or evening to (3) the truth of this. Serious-looking businessmen and women sit reading their newspapers or dozing in a corner; hardly anybody talks, since to do so would be considered quite offensive. (4) , there is an unwritten but clearly understood code of behavior which, (5) broken, makes the offender immediately the object of (6) .
It has been known as a fact that a British has a (7) for the discussion of their weather and that, if given a chance, he will talk about it (8) . Some people argue that it is because the British weather seldom (9) forecast and hence becomes a source of interest and (10) to everyone. This may be so. (11) A. Even if
B. Because
C. If
D. For
The 20th century may have been the age of scientific advancement but, as the new millennium begins, (1) world health the progress has been surprisingly slow .
Who would believe that there is still no (2) for cancer, that 100 years on diarrhea is still on the top 10 lists of world - wide killers and that tuberculosis usually (3) . Victorian squalor--would have reemerged in the West (4) growing threat
The fact is that despite growing life (5) and economic growth, a billion people entered the 21st century (6) having a share in medical advances--their lives (7) or scarred by disease.
According to the World Health Organization’ s latest report , diarrhea killed 2.2m people in 1998 and yet it is a condition that can easily be (8) through cheap rehydration therapy. It was the sixth biggest killer of 1998, an honour shared with stillbirth and infant deaths (9) cause of death that smacks of the 19
A. for
B. like
C. by
D. as
患者男性，25岁，因右侧腰部阵发性绞痛1日就诊，行泌尿系彩色多普勒超声，提示右肾轻度积水，右侧输尿管上段有约0.6cm大小的结石。
目前造成患者右侧上尿路受损的可能原因为（）【提示】患者行右侧输尿管结石输尿管镜钬激光碎石术后3个月，行泌尿系彩色多普勒超声检查，提示右肾中度积水，右输尿管上段扩张。行利尿肾图检查，提示右侧上尿路引流不畅，右肾功能中度受损。我来回答:
