[单项选择]创伤性休克Ⅰ期，下列哪项临床表现是错误的
A. 烦躁不安
B. 血压明显下降
C. 脸色苍白
D. 尿量减少
E. 脉搏细速

American are careful about how and when they meet one another’s eyes. In their normal conversation, each eye (61) lasts only about a second before one or both individuals (62) . When two Americans look (63) into each other’s eyes, emotions are heightened and the relationship becomes more (64) . (65) , they carefully avoid this, except in appropriate circumstances.
Proper street behavior in the United States (66) a nice balance of attention and (67) . You are supposed to look at a passer-by just enough to show that you (68) his presence. If you look too (69) , you appear arrogant or secretive; too much and you’re (70) . Usually what happens is that people eye each other (71) they are about eight feet apart, at which point both cast down their eyes. In England the polite listener stares at the speaker (72) and blinks his eyes occasionally as a sign of interest. That (73)
A. few
B. small
C. short
D. little