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搜题
【单选题】
烘干机使用的煤气是( )。
A.
混合煤气
B.
天然气
C.
焦炉煤气
D.
高炉煤气
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【单选题】前照灯灯泡中的远光灯丝应安装在 ( )
A.
反光镜的焦点处
B.
反光镜的焦点后方
C.
反光镜的焦点下方
D.
反光镜的焦点上方
【判断题】中美贸易战的爆发没有政治因素。
A.
正确
B.
错误
【单选题】前照灯灯泡中的远光灯灯丝应安装在()。
A.
反光镜的焦点处
B.
反光镜的焦点上方
C.
反光镜的焦点下方
D.
以上均不正确
【单选题】— What _____ you usually have for breakfast? — _____ and a cup of coffee. [     ]
A.
do, Three bread
B.
do, Three pieces of bread
C.
are, Three breads
D.
are, Three piece of bread
【单选题】炼钢工人可通过看钢样火花来判断钢水含C量,当C<0.10%时
A.
火花不分岔,且火花呈尖型
B.
火花不分岔,且火花呈球型
C.
火花分二岔
D.
火花分三岔
【单选题】In orde to make the hired childre do their best the college students at one time .
A.
gave them a sound beating
B.
offered them competitive bonuses
C.
promised to pay them in advance
D.
threatened them
【单选题】Do you know nearly ________of our body is water?
A.
three-quarter
B.
three quarters
C.
three fourth
D.
three fourths
【简答题】The family man? Father was a hardworking man who tried his best to support his wife and three children. He spent all his evenings attending classes, hoping to improve himself so that he could one day ...
【单选题】What does the author think teachers do which they should not do? ______
A.
They give children correct answers.
B.
They point out children's mistakes to them.
C.
They allow children to mark their own work.
D.
They encourage children to copy from one another.
【单选题】前照灯灯泡的远光灯灯丝应安装在( )。
A.
反光镜焦点处
B.
反光镜焦点上方
C.
反光镜焦点下方
D.
以上皆不正确
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