公交车上的“膀爷“、大声喧哗和公共场所的损坏公物、污染环境等行为[ ] ①只考虑

比75少23的数是52。[ ]

教师和学生在教育内容的教学上构成______关系。

（8分）下列方程式中（以下填写序号）

①CaCO₃(s) ="=" CaO  + CO₂(g)；ΔH= 177.7kJ/mol

②C(s) + H₂O(g)="=" CO(g) + H₂(g)；ΔH= -131.3kJ/mol

③0.5H₂SO₄(l) + NaOH(l) ="=" 0.5Na₂SO₄(l) + H₂O(l)；ΔH= -57.3kJ/mol

④C(s) + O₂(g) ="=" CO₂(g)；ΔH=-393.5kJ/mol

⑤CO(g) + 1/2 O₂(s) ="=" CO₂(g)；ΔH=-283kJ/mol

⑥HNO₃ (aq) + NaOH(aq) ="=" NaNO₃(aq) + H₂O(l)；ΔH= -57.3kJ/mol

⑦2H₂(g) + O₂(g) ="=" 2H₂O(l)；ΔH= -517.6kJ/mol

（1）上述热化学方程式中，不正确的有______________________

（2）根据上述信息，写出C转化为CO的热化学方程式______________________。

（3）上述反应中，表示燃烧热的热化学方程式有__________________  ；

表示中和热的热化学方程式有_________ 

The Border Gateway Protocol (BGP) is an interautonomous system (76) protocol. The primary function of a BGP speaking system is to exchange network (77) information with other BGP system. This network reachability information includes information on the list of Autonomous System (ASs) that reachability information traverses. BGP-4 provides a new set of mechanisms for supporting (78) interdomain routing. These mechanisms include support for advertising an IP (79) and eliminate the concept of network class within BGR BGP-4 also introduces mechanisms that allow aggregation of routes, including. (80) of AS paths. These changes provide support for the proposed supernettting scheme.

（79）是（）

A.reservation

B.relation

C.aggregation

D.connection

农业作业飞行的最低天气标准，平原地区是（）

A.云高不低于100米，能见度不小于3公里

B.云高不低于150米，能见度不小于5公里

C.云高不低于200米，能见度不小于5公里