For thousands of years man dreamed () seemed impossible dreams about flying.
A.what
B.that
C.which
D.why
A.what
B.that
C.which
D.why
We can infer from the passage that______.
A.the writer appreciated her mother' s lesson years later
B.the writer must be proud that she is different
C.the mother prepared to show Chinese different food culture
D.the minister' s family really enjoyed the food
A.thousand
B.thousands
C.thousand of.
D.thousands of
Thousands of people ______ to see the parade.
A.turned off
B.turned out
C.turned up
D.turned over
Thousands of years ago, life was ______ it is today.
A.much easier than
B.as easy as
C.as hard as
D.much harder than
Thousands of people in the city______to welcome the visiting guests.
A.turned off
B.turned up
C.turned out
D.turned over
A.thousands of
B.six thousands
C.six thousand
D.six thousands of
A.affected
B.infected
C.effected
D.defected
A.their forefathers lived
B.how their forefathers lived
C.as their forefathers lived
D.by which their forefathers lived
People can communicate in many other ways. An artist can use his drawings to tell about beautiful mountains, about the blue sea and many other things. Books are written to tell about all the things in the world and also about people and their ideas.
Books, newspapers, TV, radio and films can all help us to communicate with others. They all help us to know what is going on in the world, and what other people are thinking about.
People can communicate ______.
A.with words only
B.in many different ways
C.in letters and with drawings
D.with smiles, tears and hands
A.only a very small part is available
B.the sun is too distant from the earth
C.it takes thousands of years for this energy to be stored up in coal and oil
D.our scientific knowledge is not sufficient
quency of the monitor lt is from()
A、five MHZ to hundreds MHZ
B、tens MHZ to twnty MHZ
C、tens MHZ to hundreds MHZ
D、tens MHZ to thousands MHZ