皮皮学，免费搜题
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【单选题】
无差异曲线上某一点的边际替代率为3时(设纵轴代表Y商品的消费量,横轴代表X商品的消费量),这表明消费者愿意放弃1单位的Y商品来获得()单位的X商品。
A.
1/3
B.
1
C.
3
D.
不确定
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举一反三
【单选题】“I usually go to work by bus.”“Why notby bike for a change?”()
A.
trying to go
B.
try going
C.
to try going
D.
try go
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【判断题】薄壁圆筒受到扭转时,横截面上的切应力公式是 , 这个公式不仅在弹性范围内适用,在塑性范围内也是适用的。
A.
正确
B.
错误
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【简答题】I usually go to work by car.
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【单选题】—How do you go to work? —I usually go to work _____.
A.
by a car
B.
in a car
C.
on car
D.
by car
查看完整题目与答案
【单选题】I usually go to work on foot, but if the weather is bad, I will go by bus.我经常步行上班，如果天气不好，我会坐公交。 01010026
A.
I usually go to work by bus.
B.
I often go to work on foot.
C.
I never go to work on foot.
D.
I never go to work by bus.
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【单选题】设a、b为有理数，下列命题正确的是（　　）
A.
若a≠b，则a 2 ≠b 2
B.
若|a|=|b|，则a=-b
C.
若a＞b，a 2 ＞b
D.
若a、b不全为零，则a 2 +b 2 ＞0
查看完整题目与答案
【单选题】— How do you go to work? — I usually go to work _____. [     ]
A.
by a car
B.
in a car
C.
on a car
D.
by cars
查看完整题目与答案
【单选题】How do you go to work? I usually go to work ____.
A.
by a car
B.
in a car
C.
on a car
D.
by cars
查看完整题目与答案
【简答题】I usually go to work ____ bike.
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【单选题】—I'm doing a survey. Could you tell me ______? —Sure. I usually go to work at 7:00 am.
A.
why you go to work
B.
how you go to work
C.
when you go to work
D.
who you go to work with
查看完整题目与答案
相关题目：
【单选题】“I usually go to work by bus.”“Why notby bike for a change?”()
A.
trying to go
B.
try going
C.
to try going
D.
try go
查看完整题目与答案
【判断题】薄壁圆筒受到扭转时,横截面上的切应力公式是 , 这个公式不仅在弹性范围内适用,在塑性范围内也是适用的。
A.
正确
B.
错误
查看完整题目与答案
【简答题】I usually go to work by car.
查看完整题目与答案
【单选题】—How do you go to work? —I usually go to work _____.
A.
by a car
B.
in a car
C.
on car
D.
by car
查看完整题目与答案
【单选题】I usually go to work on foot, but if the weather is bad, I will go by bus.我经常步行上班，如果天气不好，我会坐公交。 01010026
A.
I usually go to work by bus.
B.
I often go to work on foot.
C.
I never go to work on foot.
D.
I never go to work by bus.
查看完整题目与答案
【单选题】设a、b为有理数，下列命题正确的是（　　）
A.
若a≠b，则a 2 ≠b 2
B.
若|a|=|b|，则a=-b
C.
若a＞b，a 2 ＞b
D.
若a、b不全为零，则a 2 +b 2 ＞0
查看完整题目与答案
【单选题】— How do you go to work? — I usually go to work _____. [     ]
A.
by a car
B.
in a car
C.
on a car
D.
by cars
查看完整题目与答案
【单选题】How do you go to work? I usually go to work ____.
A.
by a car
B.
in a car
C.
on a car
D.
by cars
查看完整题目与答案
【简答题】I usually go to work ____ bike.
查看完整题目与答案
【单选题】—I'm doing a survey. Could you tell me ______? —Sure. I usually go to work at 7:00 am.
A.
why you go to work
B.
how you go to work
C.
when you go to work
D.
who you go to work with
查看完整题目与答案