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分子遗传学有没有前途如题,我想学分子遗传有没有前途? 英语翻译翻译这个~ all things are difficult before they are easy 凡事必先难后易1：before 在这边坐连接词还是什么词?2：为什么使用they 而不是it all things are difficult before they are All things are difficult before they are easy我觉得意思是困难前是容易 也就是先易后难 但英语为什么要翻译成先难后易呢? ----Could you please come to the museum with me this afternoon?----Sorry,I____.I have to take a piano lesson at 2:00 pm.A couldn't B mustn't C can't D needn't 选择 带上理由 This can be very difficult,but could you come with me,please? 中心法则是什么 中心法则在哪里进行? 现代分子遗传学时代,孟德尔定律过时了吗?举例说明理由 上中学是不是都要考奥数 ‘‘我们的老师真好.’’用这个句子分别写感叹句、比喻句和反问句 [英文]He was very satisfied with the result of the test.[意思]他对测试结果十分满意这里必须用过去式?不能用is? 带有感情色彩的比喻句 上面的比喻句中,有一个表达感情色彩跟其他不同……这题 颜色的比喻句有哪些?是银色描写鱼身上银色的比喻句 含有贬义色彩的比喻句 （）的夜莺 疑神地（）凝固的（）（）的本领 公正的（）一（）关爱 写一句带有感情色彩的拟人句和比喻句用改变造句 用贡献造句 太阳升起来了扩句 （这个星期就要用） Are you satisfied with the way you look 怎么用英语回答 Are you satisfied with the grades you received in school? Are you satisfied with these ______(dancer) performances in the opera? Are you satisfied____your new house with the big garden.A.from B.of C.with D,in 我是不是忧郁症? They could not do something because the heavy rain.The heavy rain _____ them_____ doing something.同义句转换的! 4、 ___ of them can be trusted,because they are not honest at all.A、EitherB、BothC、NeitherD、All I usually have a party____that 或填什么?好像能填at on the children usually have a party on Children is Day.（用this year改写句子） the children _ ,_,_,_,a party on Children is Day this year 2010年湖州第三届奥数期望杯六年级试题（最好有答案） 满意的话有重谢! 短文填词 Now the computer is a part of our lives .When it doesn't w( ) because of viruses 卉这个字怎么读?意思是什么? “卉”怎么读是卉字 《卉》请问这个字要读做什么