要构成一项有效的接受，必须具备哪些条件？

三角形的三个外角中，钝角的个数最多有______个，锐角最多______个．

根据现行规定，建设单位应在项目竣工后（）内完成竣工财务决算的编制工作。

A.1个月

B.2个月

C.3个月

D.6个月

6502电气集中，在8线网路中是如何检查另一咽喉区也没有建立迎面敌对进路的？

Biba：完整性模型，保密规则是（）

A.上读（NRU），主体不可读安全级别高于他的数据：下写（NWD.，主体不可写安全级别低于他的数据

B.下读（NRD.，主体不可读安全级别低于他的数据：上写（NWU），主体不可写安全级别高于他的数据

C.下读（NRD.，主体不可读安全级别低于他的数据：下写（NWD.，主体不可写安全级别低于他的数据

D.上读（NRU），主体不可读安全级别高于他的数据：上写（NWU），主体不可写安全级别

another; like; area; those; health; there; angry; sound; look; art; more; way
Why do so many people around the world love Chinese cooking In China, cooking is an (66) , just like music, dance and painting. However, there is (67) than just one kind of Chinese food. Different areas in China have special (68) of cooking because of the differences in weather and geography.
Traditional Chinese doctors believe we need a balance of yin and yang to be (69) Maybe you should eat yang foods, (70) beef when you feel weak or tired. And you should eat yin foods like tofu while you are too stressed out or (71) The Chinese believe people who eat a balanced diet should be healthier than (72) who only eat foods that taste good.
(73) is much more to Chinese food than just taste. Behind many dishes are traditions with deep meaning. One Chinese food tradition is to eat long noodles on your birthday as a symbol of long life. (74) traditional food, yuan xiao, suggests that a family will always stay together. On the Spring Festival, people often eat fish, because yu (75) like the word meaning "more than enough".
From north to south, east to west, people are sure to find some kind of Chinese food to suit their taste and interest.