if the machine is workingplease ______ it.A.not touchB.not to touchC.don't touch为什么.错了错了答案是B 为什么啊啊啊啊>///

the machine is permanently activated is there a_________in the houseA washing machine B wash machine C machine washedD machine for wash The computer is a useful machine. The machine is dead的同义句 The machine is in good repair. try__the green button to see if the machine will start. the machine is called a blender 还是the machine called a blender 一道英文数学题,If a $25,000 machine depresses $800 per year or 10% of its original value each year,find a function that expresses the machine's value v after t years have passed.If this machine has no salvage value,what is the useful life of t look _____ in her face A.after B.at C.up D.forYou must wonder if it's easy to operate this machine and if your pet is s___ in the machine.The machine can f_____wetting,washing and drying process automatically. what is the name ( ) the machine?填什么介词. The machine is used to (l ) the train. I don't care about spending money. What I care is ________ the washing machine works efficiently.A how well B whether C that D only if if the machine is workingplease ______ it.A.not touchB.not to touchC.don't touch为什么.错了错了答案是B 为什么啊啊啊啊>/// The worker making a making a machine.（就画线提问)（从“is”到“machine) I'll try to find out if the machine is in good condition.为什么可以用if?介词后要用whether表是否,为什么这句话中可以用if? Physics problems.A compound machine used to raise heavy boxes consists of a ramp and a pulley.The efficiency of pulling a 100-kg box up the ramp is 50%.If the efficiency of the pulley is 90%,what is the overall efficiency of the compound machine? Who designed the machine?改同意句是Who is the designer of the machine?还是Who was the designer of the machine? Not enough physical memory is available to power on this virtual machine.To fix this problem,decrease the memory size of this virtual machine to 8 MB,or adjust the additional memory settings to allow more virtual machine memory to be swapped.If you w