IfI______(stay)in business, Imight bea really wealthy man today.
IfI______(stay)in business, Imight bea really wealthy man today.
美国书展始于20世纪初(习称“BEA”),每年一次,在五六月间。()
美国书展始于20世纪初(习称“BEA”),每年一次,在五六月间。()
Nancy was surprised that they have_____.They seemed to bea happy couple. A: split up B: broken down C: fallen through D: knocked out
Nancy was surprised that they have_____.They seemed to bea happy couple. A: split up B: broken down C: fallen through D: knocked out
下列单词中,重音标记正确的有: A: ca'pacity B: bea'utiful C: e'conomic D: con'ductor
下列单词中,重音标记正确的有: A: ca'pacity B: bea'utiful C: e'conomic D: con'ductor
下列单词中,重音标记正确的有: A: ca'pacity B: bea'utiful C: e'conomic D: con'ductor E: 'understand
下列单词中,重音标记正确的有: A: ca'pacity B: bea'utiful C: e'conomic D: con'ductor E: 'understand
图示等直杆AC,杆长为4a,材料的抗拉刚度为EA,受力如图,则杆B截面的水平位移为: 。<img src="http://p.ananas.chaoxing.com/star3/origin/9d027834bb41632541d4482c401bf4a4.png" /> A: <img data="%7B%22formula%22%3A%22%5C%5Cfrac%7B4Fa%7D%7BEA%7D%22%2C%22id%22%3A183317%7D" src="https://mooc1-1.chaoxing.com/ananas/latex/p/183317" /> B: 0 C: <img data="%7B%22formula%22%3A%22%5C%5Cfrac%7BFa%7D%7BEA%7D%22%2C%22id%22%3A173376%7D" src="https://mooc1-1.chaoxing.com/ananas/latex/p/173376" /> D: <img data="%7B%22formula%22%3A%22%5C%5Cfrac%7B3Fa%7D%7BEA%7D%22%2C%22id%22%3A398230%7D" src="https://mooc1-1.chaoxing.com/ananas/latex/p/398230" />
图示等直杆AC,杆长为4a,材料的抗拉刚度为EA,受力如图,则杆B截面的水平位移为: 。<img src="http://p.ananas.chaoxing.com/star3/origin/9d027834bb41632541d4482c401bf4a4.png" /> A: <img data="%7B%22formula%22%3A%22%5C%5Cfrac%7B4Fa%7D%7BEA%7D%22%2C%22id%22%3A183317%7D" src="https://mooc1-1.chaoxing.com/ananas/latex/p/183317" /> B: 0 C: <img data="%7B%22formula%22%3A%22%5C%5Cfrac%7BFa%7D%7BEA%7D%22%2C%22id%22%3A173376%7D" src="https://mooc1-1.chaoxing.com/ananas/latex/p/173376" /> D: <img data="%7B%22formula%22%3A%22%5C%5Cfrac%7B3Fa%7D%7BEA%7D%22%2C%22id%22%3A398230%7D" src="https://mooc1-1.chaoxing.com/ananas/latex/p/398230" />
从A,B,C,D中找出划线部分与所给单词的划线部分读音相同的选项。 bea A: ee B: pea C: fire D: dea
从A,B,C,D中找出划线部分与所给单词的划线部分读音相同的选项。 bea A: ee B: pea C: fire D: dea
与B淋巴细胞表面补体受体有关的试验是() A: AE花环试验 B: BEA花环试验 C: CEAC花环试验 D: D细胞毒试验 E: E混合淋巴细胞反应
与B淋巴细胞表面补体受体有关的试验是() A: AE花环试验 B: BEA花环试验 C: CEAC花环试验 D: D细胞毒试验 E: E混合淋巴细胞反应
CBECS数据库可以用在哪些得分项()。 A: AEA可再生能源生产 B: BEA高级制冷剂管理 C: CEA绿电和碳额抵消 D: DEA优化能耗表现 E: EEA需量相应
CBECS数据库可以用在哪些得分项()。 A: AEA可再生能源生产 B: BEA高级制冷剂管理 C: CEA绿电和碳额抵消 D: DEA优化能耗表现 E: EEA需量相应
数列7, 7, 7, 7, 7, 7, …为等差数列
数列7, 7, 7, 7, 7, 7, …为等差数列