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更多“What are conditions to form an…”相关的问题
A.limitations
B.conditions
C.Restrictions
D.qualifications
A) Phenolics
B) Polyimides
C) Fluorocarbons
D) Polyurethane
According to the passage, the purpose of being weightless was to
A．see what conditions are like in space.
B．prepare the young scientists for future work in space.
C．show the judges of the competition what they could do.
D．make the teams try out their ideas.
What are speakers mainly discussing？()
A.The effect of the atmosphere on rainfall.
B.How conditions on Earth support life.
C.How water originated on Earth.
D.A new estimate of the age of Earth.
Manual workers' working conditions generally remain bad because
A．the workers are unwilling to change them.
B．no one can decide what to do about them.
C．managers do not want to change them.
D．office workers want to protect their position.
Under what conditions will the formation of cancer begin？ ()
A．When a chromosome breaks apart near an oncogene and its control functions fail.
B．When people drink too much and are easy to get tired.
C．When people smoke too much and are difficult to get to sleep.
D．When people eat too much petroleum-based products.
