异常视物行为不包括()
A.不会与家人对视或对外界反应差
B.对前方障碍避让迟缓
C.视物明显歪头或距离近
D.能寻找或追随注视眼前的红球等物体
参考答案:D
强酸与强碱的稀溶液发生中和反应的热效应:H+(aq)+OH-(aq)═H2O;△H=-57.3kJ/mol.分别向1L 0.5mol/L的NaOH溶液中加入:①稀醋酸;②浓H2SO4;③稀硝酸,恰好完全反应时的热效应分别为△H1、△H2、△H3,它们的关系表示正确的是( )
A.△H2<△H3<△H1
B.△H1>△H2>△H3
C.△H1=△H2=△H3
D.△H2>△H3>△H1
根据句意及汉语或首字母提示完成下列句子。
1. Our school is on _____ (eight) Avenue.
2. The store is on the r_____ of the bank.
3. There is a big supermarket in the n____.
4. Go _____ (沿着) the park, and you can see the pay phone.
5. _____ _____ (打扰一下). Is there a bank near here?