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【判断题】
湿式式压缩机阴阳转子以及转子与气缸之间一般靠喷油密封。
A.
正确
B.
错误
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【判断题】When the author first saw the girl playing basketball, the girl did much better the boys.
A.
正确
B.
错误
【单选题】Conception occurs when a sperm cell combines with an egg cell to form a _______.
A.
zygote
B.
ovum
C.
embryo
D.
fetus
【多选题】在PowerPoint2010中,关于建立超链接,下列说法正确的是( )
A.
前景色可以建立超链接
B.
图片对象可以建立超链接
C.
背景图案可以建立超链接
D.
文字对象可以建立超链接
【简答题】Computers can help many workers. They can also help thieves. There was one thief who worked in a bank of the United States. He paid for everything he needed by check (支票). Then he told the computer no...
【判断题】滴定度THCl / NaOH = 0.00120 g/ml , 说明每ml 的HCl 相当于0.00120g 的NaOH 。
A.
正确
B.
错误
【单选题】The author first saw the blind man _________.
A.
after coming down from the tower
B.
after getting a ticket from the attendant
C.
when he was about to start his climb up the tower
D.
when he was half way up to the top of the tower
【单选题】已知盐酸标准溶液的滴定度THCL=0.003646g/ml,则该标准溶液的THCL/Ca(OH)2是[Ca(OH)2的分子量为74.10g]
A.
0.003 705g/ml
B.
0.037 050g/ml
C.
0.370 500g/ml
D.
3.705 000g/ml
E.
37.050 000g/ml
【判断题】The first time the author saw Pretty Girl was when the author's mother and brother brought Pretty Girl home.
A.
正确
B.
错误
【简答题】In eliminating a lot of noise in the airport, pilots can also help, and they can ______.
【单选题】p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px SimSun; color: #000000} 用NaOH标准溶液滴定一元弱酸时,若弱酸和NaOH的浓度都比原来增大十倍,则滴定曲线中----------( )
A.
p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px SimSun; color: #000000} 化学计量点前后0.1%的pH均增大
B.
p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px SimSun; color: #000000} 化学计量点前后0.1%的pH均减小
C.
p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Lucida Grande'; color: #000000}span.s1 {font: 12.0px 'Hiragino Kaku Gothic ProN'}span.s2 {font: 12.0px 'PingFang SC'} 化学 计 量点前 0.1% 的 pH 不 变 , 后 0.1% 的 pH 增大
D.
p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Lucida Grande'; color: #000000}span.s1 {font: 12.0px 'Hiragino Kaku Gothic ProN'}span.s2 {font: 12.0px 'PingFang SC'} 化学 计 量点前 0.1% 的 pH 减小 , 后 0.1% 的 pH 增大
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