色谱柱固定相
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You look pale.You'd better go to see a (You look pale.You'd better go to see a ( ).
Here()some good sweaters ( ) a very good price.A.zre,at B.is,at C are,for D.is,for
long ago I came to the city near my hometown to find a job.I met all kinds of __1_ and so I used up一整篇完型的答案 ,
Drinking coffee too much is unhealthy for us的同义句
drinking some water before sleeping is good for us用bed改为选择疑问句
包括刘翔在内的运动员参加了在伦敦举办的奥运会.(英语翻译 用定语从句带被动语态)
eating too much meat is good for him改为一般疑问句
当一个婴儿体细胞中第13对染色体多了一条时,就会导致先天性裂唇.在下列生殖细胞中,哪两种生殖细胞的结合可能会产生先天性裂唇的男性患儿(A表示常染色体)①23A+x ②22A+X ③21A+Y ④22A+YA
人的每个体细胞内有几对染色体,为什么?
为什么下雨天玻璃上会有雾?
下雨天玻璃起雾怎么办
where is the morning paper ______if for you at once a .Get b.Am getting c.To get d.Will get选A还是选D?
where is the morning paper?i -it for you at once [A get B am getting C to get Dwill get
1.– Where is the morning paper?– I ________ for you at once.A.am getting B.will get 选哪个?因为语法书上说现在进行时也可以表示即将发生的事情.
Where is the morning paper I ______if for you at once .A getB am gettingC to getD will get解释并说明理由
where is the morning paper?I_it for you at once Aan going to get Bwill get答案是B为什么
my father works on a farm he is a[ ]my mother worke in a school she is a[ ] my brother drives a bus ,he is a bus[ ] l work in an[ ]l am an office worker she worke in a[ ]she is a doctor she studies in a school she is a[ ] the man cooks food for us he
雨纷纷旧故里草木深谁的歌?叫什么名字?
雨纷纷,旧故里草木深出自哪一首歌?
周杰伦的一首歌,歌词是:雨纷纷旧故里草木深
雨纷纷,旧故里草木深 求对求文学帝用此句做上联 对出下联
像这样的成语有哪些
有没有这样的成语啊格式形式是 ——前后—— 前后两个字在中间的
有这样的成语吗?
像这样的成语有那些呢?
作文,我收获了勇气.400字
give me four 为什么是four 作宾语?不是me
不x不x这类形式的词是四个字的,【例如】不声不响..
有X无X这类形式的词是四个字的,【例】有害无益..
give
give me是什么意思
show it to me 与 show me it 哪个正确