【单选题】中国革命道德具有丰富而独特的内涵,既包括革命道德的原则、要求、态度、修养、风尚等方面,也包括革命理想、革命精神等方面,具有丰富的内容。贯穿中国革命道德始终的一根红线是:
A.
坚持社会主义、共产主义理想和信念的不屈不挠的精神
【单选题】Dad ______ a lot of alcohol, but now he has given that up and ______ soft drinks.
A.
used to drink; is used to drinking
B.
was used to drinking; used to drink
C.
used to drink; used to drinking
D.
was used to drink; is used to drink
【简答题】下列单体在一定条件下能发生加聚反应生成 的是
【简答题】A.We should drink more hard water. B.We should drink mere soft water. C.Ground water is good for the elderly people. D.Ground water has to be, treated before we drink it.