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【多选题】
下列选项对饱和度的描述,正确的有( )A.
道路的饱和度是指道路的实际流量与通行能力之比
B.
当交叉口的饱和度接近1时，交叉口的实际通行条件将迅速恶化
C.
绿信比越大，饱和度越小
D.
绿信比越小，饱和度越大
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【单选题】根据下列文章,请回答 41～45 题。 New Foods and the New World In the last 500 years，nothing about people——not their clothes，ideas。or languages——has changed as much as what they eat．The original chocolate drink was ...
A.
Food．
B.
Clothing．
C.
Ideology．
D.
Language．
【单选题】根据下列文章,请回答 36～40 题。 New Foods and the New World In the last 500 years, nothing about people -- not their clothes, ideas, or languages-- has changed as much as what they eat. The original chocolate dri...
A.
Food.
B.
Clothing.
C.
Ideology.
D.
Language.
【单选题】根据下列文章,请回答 41～45 题。 New Foods and the New World In the last 500 years, nothing about people -- not their clothes, ideas, or languages－－ has changed as much as what they eat, The original chocolate dri...
A.
Food.
B.
Clothing.
C.
Ideology.
D.
Language.
【单选题】第 27 题(本题:1分) 若有定义:char *ps[]={"aa","bb","cc","dd"};,则以下叙述正确的是
A.
ps[0]是字符串"aa"
B.
*ps[0]是字符串"aa"的首地址
C.
ps[0]是字符串"aa"的首地址
D.
*ps[0]是字符串"aa"
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