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【单选题】
如图所示,关于奥斯特实验的意义,下列说法中正确的是( )
A.
发现电流的热效应,从而揭示电流做功的本质
B.
指出磁场对电流的作用力,为后人进而发明电动机奠定基础
C.
发现电磁感应现象,为后人进而发明发电机奠定基础
D.
发现通电导体周围存在磁场,从而把磁现象和电现象联系起来
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参考答案:
举一反三
【单选题】过盈联接是依靠包容件(孔)和被包容件(轴)配合后的( )达到紧固联接的。
A.
公差
B.
过盈值
C.
接合
D.
压力
【单选题】超文本传输协议是()。
A.
FTP协议
B.
NetBEUI协议
C.
HTTP协议
D.
IPX协议
【判断题】过盈联接是依靠包容件(孔)和被包容件(轴)配合后的过盈量,来达到紧固联接的目的。
A.
正确
B.
错误
【多选题】Directions:Fill in the blanks with the capitalized letter before the words like A, B, C or D.
A.
strengthen
B.
astray
C.
laugh
D.
cultivating
E.
acquire
F.
basis
G.
inquire
H.
initiative
I.
genetic
J.
idle K. primary L. obstacle M. reserve N. base O. ridicule Some personal characteristics play a vital role in the development of one’s intelce. But people fail to realize the importance of (1) ____________ these factors in young people. The so-called non-intelce factors include one’s feelings, will, motivation, interests and habits. After a 30-year follow-up study of 800 males, American psychologists found out that the main cause of disparities in intelce is not intelce itself, but non-intelce factors including the desire to learn, will-power and self-factors. Some parents are greatly worried when their children fail to do well in their studies. They blame either (2) ____________ factors, malnutrition, or laziness, but they never take into consideration these non-intelce factors. At the same time, some teachers don’t (3) ____________ into these, as reasons why students do poorly. They simply give them more courses and exercises, or even rebuke or (4) ____________ them. Gradually, these students lose self-confidence. Some of them just feel defeated and give themselves up as hopeless. Others may go (5) ____________ because they are sick of learning. The investigation of more than 1 000 middle school students in Shanghai showed that 46.5 percent of them were afraid of learning, because of examinations, 36.4 percent lack persistence, (6) ____________ and conscientiousness and 10.3 percent were sick of learning. It is clear that the lack of cultivation of non-intelce factors has been a main (7) ____________ to intelce development in agers. It even causes an imbalance between physiological and psychological development among a few students. If we don’t start now to (8) ____________ the cultivation of non-intelce factors, it will not only obstruct the development of the intelce of agers, but also affect the quality of a whole generation. Some experts have put forward proposals about how to develop students’ no intelce factors. First, parents and teachers should fully understand age psychology. On this (9) ____________, they can help them to pursue the objective of learning, stimulating their will-power. The cultivation of non-intelce factors should also be part of (10) ____________ education for small children. Parents should attend to these qualities from the very beginning.
【判断题】过盈联接是依靠包容件(孔)和被包容件(轴)配合后产生的过盈值而达到紧固联接的目的。( )
A.
正确
B.
错误
【判断题】“渲染”滤镜组中包含5种滤镜,它们可以在图像中创建云彩形状的图案,设置照明效果或通过镜头产生光晕效果。
A.
正确
B.
错误
【简答题】如图所示是一款智能玩具,玩具由圆柱形机身和两个轮子组成,用户可以通过手机蓝牙对它进行控制,并完成前进、转弯、翻滚、跳跃等动作,其内部结构中有一个电动机,电动机是利用 ______ 的原理制成的,若想让玩具车的两个轮子转动的更快,请你说出合理的做法 ______ (写出一种即可).
【简答题】Listen to Part 2 and decide whether these statements are True or False.Write T for True and F for false. 1 Hippies longed for more love and personal in America. 2 Timothy Leary urged young peo...
【单选题】超文本传输协议是指?
A.
TCP/IP协议
B.
HTTP协议
C.
FTP协议
D.
ICMP协议
【单选题】在因特网下列协议中,超文本传输协议是
A.
FTP
B.
TCP/IP
C.
HTTP
D.
SMTP
相关题目:
【多选题】Directions:Fill in the blanks with the capitalized letter before the words like A, B, C or D.
A.
strengthen
B.
astray
C.
laugh
D.
cultivating
E.
acquire
F.
basis
G.
inquire
H.
initiative
I.
genetic
J.
idle K. primary L. obstacle M. reserve N. base O. ridicule Some personal characteristics play a vital role in the development of one’s intelce. But people fail to realize the importance of (1) ____________ these factors in young people. The so-called non-intelce factors include one’s feelings, will, motivation, interests and habits. After a 30-year follow-up study of 800 males, American psychologists found out that the main cause of disparities in intelce is not intelce itself, but non-intelce factors including the desire to learn, will-power and self-factors. Some parents are greatly worried when their children fail to do well in their studies. They blame either (2) ____________ factors, malnutrition, or laziness, but they never take into consideration these non-intelce factors. At the same time, some teachers don’t (3) ____________ into these, as reasons why students do poorly. They simply give them more courses and exercises, or even rebuke or (4) ____________ them. Gradually, these students lose self-confidence. Some of them just feel defeated and give themselves up as hopeless. Others may go (5) ____________ because they are sick of learning. The investigation of more than 1 000 middle school students in Shanghai showed that 46.5 percent of them were afraid of learning, because of examinations, 36.4 percent lack persistence, (6) ____________ and conscientiousness and 10.3 percent were sick of learning. It is clear that the lack of cultivation of non-intelce factors has been a main (7) ____________ to intelce development in agers. It even causes an imbalance between physiological and psychological development among a few students. If we don’t start now to (8) ____________ the cultivation of non-intelce factors, it will not only obstruct the development of the intelce of agers, but also affect the quality of a whole generation. Some experts have put forward proposals about how to develop students’ no intelce factors. First, parents and teachers should fully understand age psychology. On this (9) ____________, they can help them to pursue the objective of learning, stimulating their will-power. The cultivation of non-intelce factors should also be part of (10) ____________ education for small children. Parents should attend to these qualities from the very beginning.
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