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【简答题】
The passage tells us that in the future ______. A) children will not be taught in schools B) no teachers will be needed C) teachers will be less knowledgeable D) children will learn social skills at school
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参考答案:
举一反三
【简答题】A.It is a race for gold and silver. B.It is a race for computer technology. C.It is a contest of strength and speed. D.It is a contest of mind, athletic determination and foreign languages.
【判断题】一个单位长度上密绕有n匝线圈的长直螺线管,每匝线圈中通有强度为I的电流,管内充满相对磁导率为ur的磁介质,则管内中部附近磁感应强度为μrμ0nI,磁场强度为nI.
A.
正确
B.
错误
【多选题】蓄电池的充电种类主要有 、 和 等三种。
A.
初充电
B.
补充充电
C.
去硫化充电
【单选题】可锻铸铁主要用于制作要求有一定强度、塑性和韧性的( )。
A.
薄壁、小型铸件
B.
厚大铸件
C.
形状简单的厚壁铸件
【简答题】一个单位长度上密绕有n匝线圈的长直螺线管,每匝线圈中通有强度为I的电流,管内充满相对磁导率为mr的磁介质,则管内中部附近磁感强度B =,磁场强度H =.
【单选题】可锻铸铁主要用于制作要求有一定强度、塑性和韧性的( )铸件。
A.
壁薄、小型铸件
B.
厚大铸件
C.
形状简单的厚壁铸件
D.
壁厚、小型铸件
【单选题】What is wrong about Jeremy Goldkorn?
A.
He is the creator of biog.
B.
He is a co-founder of Beijing-based advertising agency Standards.
C.
He is a blogger in Beijing who writes in English.
D.
He usually updates his blog with latest happenings in China.
【单选题】A co is a co based in UK and B is an American co. The A co has to pay 5m dollars to B in 3 months. A co decided to use money market to hedge potential risk. The annual interest rates available to A an...
A.
3.14
B.
3
C.
3.27
D.
3.3
【单选题】Professor Baker is a co-worker of Professor Ayers.
A.
an advisor
B.
a disciple
C.
a rival
D.
a colleague
【单选题】正态分布曲线下,横轴上从 μ-σ 到 μ+1.96σ 的面积为( )
A.
75%
B.
88.5%
C.
94.5%
D.
81.7%
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