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阅读下列材料．并回答问题。 甲同学在小学时学业成绩优良，对数学特别感兴趣，还在数学竞赛中得过奖，升入初中后，在第一次摸底测验中，他的成绩很不理想，在班级的排名在30几名，又受到父母的责骂，使他很有挫败感。他很想取得成绩，但又认为自己做不到，甚至连他最感兴趣的数学考试也出现不及格现象。有一次，老师还用鲜红的水笔在他的试卷上批注“字迹潦草，思维混乱，简直不是人写的”。久而久之他便对学习丧失了信心，上课不认真，拖欠作业，对考试成绩也抱无所谓的态度。 （1）分析甲同学对学习丧失信心的原因。 （2）结合材料阐述教师激发学生的学习动机。
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参考答案：
举一反三
【单选题】what caused the car ahead of Jonda to slip into the Dalton River
A.
The car did not slow down
B.
The car had a braking problem
C.
The car was barely within the lane
D.
The car failed to stop at the warnming sign
查看完整题目与答案
【多选题】下列哪些选项属于策士的谋略?
A.
全方位的知识结构
B.
对心理的揣摩
C.
游说的口才
D.
周旋的手段
查看完整题目与答案
【单选题】以下哪个字的声母是平舌音？
A.
舌
B.
吃
C.
寺
D.
诗
查看完整题目与答案
【单选题】It is not known what caused the car to veer off the road and police investigations are being carried out.
A.
run off
B.
get down to
C.
crash into
D.
turn away from
查看完整题目与答案
【单选题】What caused the car ahead of Jonda to slip into the Dalton river?
A.
a
B.
b
C.
c
D.
d
查看完整题目与答案
【单选题】What caused the car ahead of Jonda to slip into the Dalton River?
A.
The car did not slow down.
B.
The car had a braking problem.
C.
The car was barely within the lane.
D.
The car failed to stop at the warning sign.
查看完整题目与答案
【单选题】What caused the car accident?
A.
Amy ran a stop sign which led the car to crash into a large truck.
B.
Amy continued into the intersection without stopping.
C.
The driver of a large truck, unable to brake in time, ran into our car.
查看完整题目与答案
【单选题】三相异步电动机的接线盒中六个接线端，可以改变三相定子绕组的接线方法，某点的铭牌上标有“额定电压280、220V，接法Y/△”，这是指( )。
A.
当电源相电压为220V，时，将定子绕组接成三角形，相电压为380V，接成星形
B.
当电源相电压为220V，线电压380V时，采用Y/△换接
C.
当电源相电压为380V时，将定子绕组接成星形，线电压为220V时，接成三角形
D.
当电源相电压为380V时，将定子绕组接成三角形，线电压为220V时，接成星形
查看完整题目与答案
【单选题】以下是平舌音的字是
A.
层
B.
示
C.
炸
D.
暑
查看完整题目与答案
【判断题】为了防止汽车的振动影响或干扰传感信号,在安装 车速传感器 时,传感头与齿圈之间应留有约 大于 lmm的间隙 。
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】what caused the car ahead of Jonda to slip into the Dalton River
A.
The car did not slow down
B.
The car had a braking problem
C.
The car was barely within the lane
D.
The car failed to stop at the warnming sign
查看完整题目与答案
【多选题】下列哪些选项属于策士的谋略?
A.
全方位的知识结构
B.
对心理的揣摩
C.
游说的口才
D.
周旋的手段
查看完整题目与答案
【单选题】以下哪个字的声母是平舌音？
A.
舌
B.
吃
C.
寺
D.
诗
查看完整题目与答案
【单选题】It is not known what caused the car to veer off the road and police investigations are being carried out.
A.
run off
B.
get down to
C.
crash into
D.
turn away from
查看完整题目与答案
【单选题】What caused the car ahead of Jonda to slip into the Dalton river?
A.
a
B.
b
C.
c
D.
d
查看完整题目与答案
【单选题】What caused the car ahead of Jonda to slip into the Dalton River?
A.
The car did not slow down.
B.
The car had a braking problem.
C.
The car was barely within the lane.
D.
The car failed to stop at the warning sign.
查看完整题目与答案
【单选题】What caused the car accident?
A.
Amy ran a stop sign which led the car to crash into a large truck.
B.
Amy continued into the intersection without stopping.
C.
The driver of a large truck, unable to brake in time, ran into our car.
查看完整题目与答案
【单选题】三相异步电动机的接线盒中六个接线端，可以改变三相定子绕组的接线方法，某点的铭牌上标有“额定电压280、220V，接法Y/△”，这是指( )。
A.
当电源相电压为220V，时，将定子绕组接成三角形，相电压为380V，接成星形
B.
当电源相电压为220V，线电压380V时，采用Y/△换接
C.
当电源相电压为380V时，将定子绕组接成星形，线电压为220V时，接成三角形
D.
当电源相电压为380V时，将定子绕组接成三角形，线电压为220V时，接成星形
查看完整题目与答案
【单选题】以下是平舌音的字是
A.
层
B.
示
C.
炸
D.
暑
查看完整题目与答案
【判断题】为了防止汽车的振动影响或干扰传感信号,在安装 车速传感器 时,传感头与齿圈之间应留有约 大于 lmm的间隙 。
A.
正确
B.
错误
查看完整题目与答案
参考解析：
知识点：
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