【单选题】This is _____ driver Mr. Wang.
【单选题】It is said that this taxi driver was ________ for the road accident this morning.
【单选题】听力原文:Operator: Hello. This is the emergency 911 operator. Taxi Driver: Help. Help. Please help me! Operator: Yes sir. Please calm down and explain exactly what is happening. Taxi Driver: Calm down! My...
【单选题】Why does the author mention Neolithic towns in paragraph 2?
A.
To give an example of a civilization
B.
To explain the invention of writing systems
C.
To argue that they should be classified as villages
D.
To contrast them with the civilizations that evolved
【单选题】This train is entirely automatic; there is no driver, but a mechanic is always available in case anything ____ go wrong.
【多选题】In neolithic era, people could make ( ).
【单选题】By next summer John _____in this factory for thirteen years.
B.
will have been working
【单选题】Which period lasted longest?
【单选题】How do archaeologists know that Neolithic men relied considerably on flint?
A.
They have found many fingerprints on tools made of it.
B.
They have found holes that were dug with it.
C.
They have discovered many tools made of it.
D.
They have discovered it beside relics of Neolithic men.