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【判断题】
变压器的变压比等于匝数比的倒数。A.
正确
B.
错误
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举一反三
【简答题】消费税是价外税，而增值税是价内税。（ ）
【单选题】—When I am walking in the street,I________some ads every time. —So am I.I hate it.It’s a waste of paper.
A.
give
B.
am given
C.
gave
D.
was giving
【单选题】The purpose of designing some waste heat boilers with sinuous fire tubes, is to_______.
A.
increase exhaust gas velocity through the boiler
B.
reduce accumulations of carbon deposits on the heat transfer surfaces
C.
eliminate exhaust gas pulsations and noise
D.
increase the rate of heat transfer to the waterside
【单选题】— Dear, you should some money for your birthday.— OK. I won’t let a coin go to waste.A．saveB．spen
A.
— Dear, you should ____some money for your birthday. — OK. I won’t let a coin go to waste. A．save
B.
spend
C.
waste
D.
make
【简答题】求解中国古代物不知其数问题(出自一千六百年前我国古代数学名著《孙子算经》)。原题为:“今有物不知其数,三三数之二,五五数之三,七七数之二,问物几何?”即:有一个数,这个数用3除余2,用5除余3,用7除余2,求这个数。 //今有物不知其数,三三数之二,五五数之三,七七数之二,问物几何? #include "iostream.h" void main() { int i=1; cout<<"这个数是:...
【简答题】常用于水果榨汁的两种连续压榨机是: 和 。
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