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【单选题】
电子期刊是网上重要的信息资源主要有电子报纸类、电子杂志和期刊类和( )
A.
电子新闻和信息服务类
B.
电子图书类
C.
数字化图书馆
D.
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参考答案：
举一反三
【单选题】测量婴幼儿体重应该注意迅速,避免婴幼儿( )
A.
耽误时间
B.
受热
C.
打闹
D.
受凉
查看完整题目与答案
【单选题】Madonna buys only two goods. Her utility function is Cobb-Douglas. Her demand functions have which of the following properties?
A.
Her demand for one of the two goods does not depend on income.
B.
Her demand for neither good depends on income.
C.
Her demand for each of the goods depends on income and on the prices of both goods.
D.
Her demand for each of the two goods depends only on her income and on the price of that good itself.
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【单选题】单相半波整流电路如图所示,变压器副边电压有效值 U 2 为 10V ,则输出电压的平均值 U o 是( )
A.
14.1V
B.
4.5V
C.
9V
D.
10V
查看完整题目与答案
【单选题】单相半波整流电路如图所示,变压器副边电压有效值 U 2 为 10 V ,则输出电压的平均值 U O 是( )
A.
14.1V
B.
10V
C.
9V
D.
4.5V
查看完整题目与答案
【多选题】零件图中主视图的选择原则是
A.
加工位置原则
B.
所用图形最少的原则
C.
结构形状特征原则
D.
工作位置原则
查看完整题目与答案
【多选题】主视图的选择原则是 。
A.
形体特征原则
B.
工作位置原则
C.
加工位置原则
D.
自然摆放平稳原则
查看完整题目与答案
【单选题】Madonna buys only two goods. Her utility function is Cobb-Douglas. Her demand functions have which of the following properties?
A.
Her demand for one of the two goods does not depend on income.
B.
Her demand for neither good depends on income.
C.
Her demand for each of the two goods depends only on her income and on the price of that good itself.
D.
Her demand for each of the goods depends on income and on the prices of both goods.
查看完整题目与答案
【多选题】组合体三视图中主视图的选择原则是
A.
位置原则
B.
特征原则
C.
平行原则
D.
垂直原则
查看完整题目与答案
【单选题】主视图的选择原则是( ) 。
A.
应选择最容易画的视图作主视图。
B.
应选择表面线条最少的视图作主视图
C.
应选择最能表达物体形状特征的视图作主视图。
D.
以上都不对。
查看完整题目与答案
【简答题】Do you know Weibo? Do you write a Weibo? If you don't, you are 'out'! Weibo means microblog. People may spend muchtime writing a blog, but it takes a little time to write a microblog.Why? Because ever...
查看完整题目与答案
相关题目：
【单选题】测量婴幼儿体重应该注意迅速,避免婴幼儿( )
A.
耽误时间
B.
受热
C.
打闹
D.
受凉
查看完整题目与答案
【单选题】Madonna buys only two goods. Her utility function is Cobb-Douglas. Her demand functions have which of the following properties?
A.
Her demand for one of the two goods does not depend on income.
B.
Her demand for neither good depends on income.
C.
Her demand for each of the goods depends on income and on the prices of both goods.
D.
Her demand for each of the two goods depends only on her income and on the price of that good itself.
查看完整题目与答案
【单选题】单相半波整流电路如图所示,变压器副边电压有效值 U 2 为 10V ,则输出电压的平均值 U o 是( )
A.
14.1V
B.
4.5V
C.
9V
D.
10V
查看完整题目与答案
【单选题】单相半波整流电路如图所示,变压器副边电压有效值 U 2 为 10 V ,则输出电压的平均值 U O 是( )
A.
14.1V
B.
10V
C.
9V
D.
4.5V
查看完整题目与答案
【多选题】零件图中主视图的选择原则是
A.
加工位置原则
B.
所用图形最少的原则
C.
结构形状特征原则
D.
工作位置原则
查看完整题目与答案
【多选题】主视图的选择原则是 。
A.
形体特征原则
B.
工作位置原则
C.
加工位置原则
D.
自然摆放平稳原则
查看完整题目与答案
【单选题】Madonna buys only two goods. Her utility function is Cobb-Douglas. Her demand functions have which of the following properties?
A.
Her demand for one of the two goods does not depend on income.
B.
Her demand for neither good depends on income.
C.
Her demand for each of the two goods depends only on her income and on the price of that good itself.
D.
Her demand for each of the goods depends on income and on the prices of both goods.
查看完整题目与答案
【多选题】组合体三视图中主视图的选择原则是
A.
位置原则
B.
特征原则
C.
平行原则
D.
垂直原则
查看完整题目与答案
【单选题】主视图的选择原则是( ) 。
A.
应选择最容易画的视图作主视图。
B.
应选择表面线条最少的视图作主视图
C.
应选择最能表达物体形状特征的视图作主视图。
D.
以上都不对。
查看完整题目与答案
【简答题】Do you know Weibo? Do you write a Weibo? If you don't, you are 'out'! Weibo means microblog. People may spend muchtime writing a blog, but it takes a little time to write a microblog.Why? Because ever...
查看完整题目与答案
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