A.consume B.swallow C.exhaust D.dispose
单项选择题This machine works very well so long as no one()with it.
A.interferes B.disturbs C.upsets D.interrupts
单项选择题During the war she always kept a()of tinned food in the house.
A.load B.substitute C.conservation D.reserve
单项选择题The ratio of the work done by the machine()the work done on it is called the efficiency of the machine.
A.against B.with C.to D.for
单项选择题His inability to learn foreign languages was a(n()to his career.
A.objection B.defect C.obstacle D.depression
单项选择题In general , the amount that a student spends for housing should be held to one-fifth the total()for living expenses.
A.acceptable B.available C.advisable D.applicable
单项选择题When you go to the doctor he asks you to describe your()so that he can make a diagnosis (诊断).
A.indications B.signs C.symbols D.symptoms
单项选择题He ran so fast that he was out of()
A.air B.oxygen C.breath D.wind
单项选择题Be careful with those fireworks; they are()to go off unexpectedly.
A.easy B.probable C.available D.liable
单项选择题Most people who travel in the course of their work are given travelling()
A.income B.allowances C.pay D.wages
单项选择题The suspect's fingerprints on the gun were the main()against him.
A.crime B.information C.conviction D.evidence