is it natural that life makes a wise man smile and a foolish man cry?谁能给翻译一下!这句话用问句的目的是什么？

naturally可以和it is natural that互换吗 It is that joe should pass the exam 选nature natural老师说选natural 问：quite natural It is quite natural that people from different backgrounds may have divergent attitudes towards it.在这个句子里quite natural 用it is natural造句 it is believed that traveling in natural mountains is very_____-(enjoy) It is natural that she shoule do so 属于什么句式 is it natural that life makes a wise man smile and a foolish man cry? it is natural that he changes his mind这句话对么 it is natural that China should have its own aircraft carrier.为什么用should have ___ is well-known is that China is rich in natural resources.选择：A which B as C it D what 不是IT，句中有IS THAT 英语翻译Although the flowers are beautiful,it is the bulb that provides the dream enhancing natural extract galanthamine. It is natural that such a h_______ student should pass the exam.根据句意和首字母补全单词. Is this the use that you have made______of natural resources?　　A.it B.(不填) C.which D.this it is very natural that every mother love her child 这句话中的love为什么不用loves This is the main use that the scientists make (___) of natural resources.A.it B.which C.use D./ this is the main use that the scientists make ____ of natural resources.A.it B.which C.use D./ you may have Learnect Englih for some years ,and it is natural that you want read.改错. It is quite natural that he (should) think so.quite是副词吗?natural是形容词还是名词,在这里quite后是接名词吗?怎样看出这句话是虚拟语气,为什么不用 It was 不是有should吗?