焦距和焦度

Like a preson at home Chat with you for hundreds of years For hundreds of years men ___ birds flying and wished that they could fly,too.A.saw B.looked C.noticed D.watched我选了D,为什么答案是A?我觉得,see是一种不经意地看,但是watch是注意地看,因为人类希望象鸟一样飞,所以 Jack eats breakfast at home (就划线部分提问）（at home) Some tress can ______ for hundreds of years.A .live B.stay C.go D.take 几千年的历史到底用 thousands of years?还是hundreds of years? 怎样才能在XP笔记本上正常放新视野大学英语视听说光盘不能进入到那个模拟系统中. I like to play baseball and ( ) basketball.(play) 怎么使用新视野大学英语视听说教程的光盘?一进去还要输如什么 ID 和密码.那些得从哪里得到就是 student ID 和 password .我不仅要听，而且还要网络里的相关信息。所以不能把网线拔掉 英语任务型阅读Do you like sports?Do you play basketball,volleyball or baseball in your P.E..Do you like sports?Do you play basketball,volleyball or baseball in your P.E.class or after school?My sister and I like sports very much.We are in pur 单项选择:I enjou basketball and baseball.A Play B playing C to play D playsI enjou ( ) basketball and baseball.A Play B playing C to play D plays 英国殖民地,法国殖民地,西班牙殖民地,葡萄牙殖民地,荷兰殖民地,他们殖民的性质是什么 8.The moon is millions years old 9.Jim is live _________ a little town 10.Nick doesn’t go to th The moon is____of years old.A.million B.millions the moon had once been a planet that had been caught in the earth's gravity millions of years earliThis was because they believed the moon had once been a planet that had been caught in the earth's gravity (引力) millions of years earlier I enjoy ________ very much.A.I B.my C myself chanel 的正确发音. chanel的发音是什么样的?翻译过来是香奈儿～ Can you provide us some information travelCan you provide us ———some information———— trave l Ato for Bwith for Cwith about Dto about 香奈儿的发音是什么?我朋友们说的有两种,一种发“施奈偶”,一种是“拆爱n偶”,哪一种正确还是都不正确? 夏奈儿与香奈儿的区别 第三人称单数只用于主语是第三人称的一般现在时 我在书上看到的 如果真是这样的话 现在完成时里面还有 have/has+动词的过去分词呢附加一句 如果上面的话是错误的 那么第三人称单数都用 Treasurer是什么意思世界上最贵的烟 但是不知道怎么读 treasurer&IT什么意思 怎样用hundreds of造句 我是学汉语的.请帮我修改我的文章几个句子.你来的时候,他在什么呢?我来的时候,他看电视呢. 用 look after造句 用since 2 years ago 造句 用thousand of 一般现在时 要翻译 急 英语： 1、“香奈儿”的英文“channel”是读成“切奴”还是“雪鸟”?2、有个表示“极美的”的单词,读音类似是“fat bi 雷”.是什么?3、“旋转木马”除了“merry go round”外还有没有更简洁明 英国、西班牙和葡萄牙在历史上的殖民地分别是哪些? be careful with fire中fire是什么词? 求小英雄雨来的诗歌和散文最好是诗歌,其他的小英雄,如张嘎,王小二等的诗歌也可以. is that one over there后接什么代词