请高手赐教：So it is often hard to tell whether they are boys or girls.的中文意思

请高手赐教：So it is often hard to tell whether they are boys or girls.的中文意思 经韬纬略是什么意思请高手赐教 so that it is definite that who is right请高手看看这句话有没有语法错误,谢谢! student late for school is a bad habit句子成分分析请高手赐教 this is he speaking句子成分he作何成分?speaking呢?不懂别说.高手请赐教. 什么是牛顿迭代法,请高手赐教? 请高手赐教：输入两个正整数n 我百思不得其解,请高手赐教.定重分酬谢! The british are not so familiar with different cultures and other ways of dong things,(as) is often the case with people in other countries.答案是as,可我总觉得是so.请高手指教下 it is/was 引导的句型请大侠们赐教啊 英语高手看看 会几道答几道 介词填空 1.I need some books ___chemistry2.entry___museum is free,so you can visit it as often as you like3.We traveled to the museum___subway4.My bast frient's photographs were first put___display in Tibet In summer,it is very hot here.So we often have cold() to keep. It often rains here in summer.So summer is the w_ season here. There is only one computer in his home,so he often s_____ it with his family so it is often h___to toll whether they are boys or girls City air is dirty,so it would be wise of you to wash your hair often so it is wise for you to shampoo your hair often翻译 When he is free,he always () newspapers about sports. A.sees B.looks C.watches D.reads请高手赐教!