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【简答题】
我国小汽车已进入家庭，市场上某种型号的小汽车十分热销，为个增加产量，某汽车生产厂增加了设备，同时改进了技术，使该厂每小时装配的车辆数比原来提高 2 3 ，这样装配40辆汽车所用时间比技术改造前装配30辆汽车所用时间还少2h，那么该厂技术改造后每小时装配多少辆汽车？ （1）设该厂技术改造前每小时装配x辆汽车．请填写下表： 工作效率（台/h） 工作时间（h） 工作总量（台） 技术改造前 x 30 技术改造后 40 （2）请结合（1）的分析，解决题中问题．
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参考答案：
举一反三
【判断题】汽油、农药存在危及人身、财产安全的危险属于有缺陷产品。
A.
正确
B.
错误
查看完整题目与答案
【简答题】早稻浸种催芽时,用温水淋种和时常翻种,其目的就是使 。
查看完整题目与答案
【单选题】按蓄满产流模式,当某一地点蓄满后,该点降雨强度i小于稳渗率fc,则该点此时降雨产生的径流为[ ]。
A.
地面径流和地下径流
B.
地面径流
C.
地下径流
D.
零
查看完整题目与答案
【多选题】Why were all Roman troops forced to leave Britain in 410 AD?
A.
The resistance of the British people was strong.
B.
The Roman troops were withdrawn to defend their own nation from Germanic attack.
C.
The Roman Troops were withdrawn to rescue Cesar’s reign.
D.
The Vikings kept attacking Britain which the Romans found it hard to handle.
查看完整题目与答案
【多选题】早稻浸种催芽时,用温水淋种和时常翻种,其目的就是使( )。
A.
温度上升
B.
增加氧分压
C.
增加二氧化碳分压
D.
增加水分含量
E.
用水隔绝氧
查看完整题目与答案
【单选题】In the post-Marian army, ______.
A.
auxiliary troops were Italians, and often Latins
B.
auxiliary troops were made up of citizens from cities near Rome
C.
more foreigners were included in auxiliary army
D.
auxiliary troop were made up of foreigners who had gained citizenship for serving Rome for 25years
查看完整题目与答案
【单选题】在一组等精度观测中,当被观测量的真值无法得知时,( )就是被观测量真值的最可靠值。
A.
绝对值
B.
最小值
C.
算术平均值
D.
最大值
查看完整题目与答案
【单选题】核对.商定日程是旅游团抵达后的一项重要工作,商定日程并宣布活动日程是 的职权。( )
A.
全陪
B.
领队
C.
地陪
D.
游客
查看完整题目与答案
【单选题】The troops _______ themselves to go into battle.
A.
prepared
B.
were prepared
C.
to prepare
D.
preparing
查看完整题目与答案
【单选题】The defeated troops were ordered to scatter and then concentrate fifty miles to the south.
A.
rally
B.
attack
C.
march
D.
retreat
查看完整题目与答案
相关题目：
【判断题】汽油、农药存在危及人身、财产安全的危险属于有缺陷产品。
A.
正确
B.
错误
查看完整题目与答案
【简答题】早稻浸种催芽时,用温水淋种和时常翻种,其目的就是使 。
查看完整题目与答案
【单选题】按蓄满产流模式,当某一地点蓄满后,该点降雨强度i小于稳渗率fc,则该点此时降雨产生的径流为[ ]。
A.
地面径流和地下径流
B.
地面径流
C.
地下径流
D.
零
查看完整题目与答案
【多选题】Why were all Roman troops forced to leave Britain in 410 AD?
A.
The resistance of the British people was strong.
B.
The Roman troops were withdrawn to defend their own nation from Germanic attack.
C.
The Roman Troops were withdrawn to rescue Cesar’s reign.
D.
The Vikings kept attacking Britain which the Romans found it hard to handle.
查看完整题目与答案
【多选题】早稻浸种催芽时,用温水淋种和时常翻种,其目的就是使( )。
A.
温度上升
B.
增加氧分压
C.
增加二氧化碳分压
D.
增加水分含量
E.
用水隔绝氧
查看完整题目与答案
【单选题】In the post-Marian army, ______.
A.
auxiliary troops were Italians, and often Latins
B.
auxiliary troops were made up of citizens from cities near Rome
C.
more foreigners were included in auxiliary army
D.
auxiliary troop were made up of foreigners who had gained citizenship for serving Rome for 25years
查看完整题目与答案
【单选题】在一组等精度观测中,当被观测量的真值无法得知时,( )就是被观测量真值的最可靠值。
A.
绝对值
B.
最小值
C.
算术平均值
D.
最大值
查看完整题目与答案
【单选题】核对.商定日程是旅游团抵达后的一项重要工作,商定日程并宣布活动日程是 的职权。( )
A.
全陪
B.
领队
C.
地陪
D.
游客
查看完整题目与答案
【单选题】The troops _______ themselves to go into battle.
A.
prepared
B.
were prepared
C.
to prepare
D.
preparing
查看完整题目与答案
【单选题】The defeated troops were ordered to scatter and then concentrate fifty miles to the south.
A.
rally
B.
attack
C.
march
D.
retreat
查看完整题目与答案
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