jiejue0088 幼苗
共回答了21个问题采纳率:90.5% 举报
1年前
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the london olympic games marks the third time that London ha
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I didn't finish my homework on time.It made my teacher___(ha
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Mike with Linda __ going to the movies.A、has B、is C、are D、ha
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The number of the students in our school ___ 2,000 now.(A)ha
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某一元弱酸(用HA表示)在水中的电离方程式是:HA⇌H++A-,回答下列问题:
英语题目一道基础John is helping his girlfriend ____her paper.A.forB.
一个化学选择常温下,0.1mol\L某一元酸(HA)溶液中c(OH-)\c(H+)=1x10^-8 ,下列叙述正确的是A
补全下列句子The birds are---------All children will-------Books ha
英语作文中一句话的问题,题目大概是学校要召开一个英语聚会有一些外国朋友要来,里面有一句话不明白 they will ha
(2013•合肥二模)25℃时,浓度均为0.1的HA溶液和BOH溶液,pH分别是1和11.下列说法正确的是( )
Alice__when she was crossing the road.(A.had an accidentB.ha
25℃时,2a mol•L-1HA水溶液中(HA为弱酸).用NaOH调节溶液pH(忽略体积变化),得到c(HA
our english teacher is really wonderful。indeed,he usually ha
按要求完成句子,没空一词.We feel very happy in English classes.(对very ha
已知A点高程Ha=72.445m高差Hba=2.324m则B点的高程Hb为(
A base with the newest facilities for information sharing ha
将某一元酸HA溶液与NaOH溶液等体积混合:
Unluckily, when I dropped in , Dr. Smith ____, so we only ha
25 ℃ 时,下列各溶液中关系的叙述中,正确的是( ) A.0.1 mol/L HA(
you understand this rule, you’ll ha
你能帮帮他们吗
从5元2元2元1元1元1元5角2角2角2角1角的人民币里拿7.6元,有几种拿法
not until they left home()in a house where the rooms were cl
卧式储油罐封头重量和表面积有计算公式么?比如:40立方的卧式储油罐直径2600mm板厚8mm封头顶高700!公式越具体越
The assistant( B)her did not like the way she was dressed.
19世纪30年代,英国著名作家狄更斯发表了小说《雾都孤儿》,其故事发生在“烟雾弥漫”的伦敦.造成这种天气现象的原因是
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__________,金石可镂。(荀子《劝学》)
把下面词语填写完整。 ________山________岭
8个1角硬币,就是8个________元,是________元。
求平面x/3+y/4+z/5=1和柱面x^2+y^2=1的交线上与xOy平面距离最段的点
f(二分之π)的导数是不是一个常数。