[单项选择]They were married for fifteen years but have now ______ up and live apart.
A. split
B. divided
C. divorced
D. separated

[单项选择]

For years and years people have been saying that the railways are dead. "We can do without railways," people say, as if motorcars and planes have made the railways unnecessary. We all keep heating that trains are slow, that they lose money, and that they are dying. But this is far from the troth. In those days of expensive oil, the railways have become highly competitive with motorcars and planes. If you want to carry people or goods from place to place, they are cheaper than planes. And they have much in common with planes. A plane goes in a straight line and so does a railway. ,What is more, it takes from the heart of a city into the heart of another. It doesn’t leave you as a plane does, miles and miles from the city center. It doesn’t hold you up as a car . does, in endless traffic jams. And a single train can carry goods which a plane or motorcar could never do.
Far from being dead, the railways are very much alive. Modem railway lines give you
A. we can do without railways
B. trains have much in common with motorcars and planes
C. motorcars and planes are not as good as trains
D. trains are as good as motorcars and planes

[单项选择]I wish you were here now so that I can thank you in person.（　）
A. wish
B. were
C. can
D. in person

[单项选择]In recent years people have become interested in purchasing gemstones for investment.
A. works of arts
B. rural land
C. houses
D. jewels

[单项选择]In the past ten years skyscrapers have developed ________ in Chicago and New York City.


A. homogeneously
B. simultaneously
C. spontaneously
D. harmoniously

[单项选择]During the past ten years there have been dramatic changes in the international situation.
A. permanent
B. powerful
C. striking
D. practical

[单项选择]Now scientists have found in the past few years _________.


A. the exposure of DNA to the public is unnecessary
B. the tiny cell in DNA is a neat little machine
C. man knows nothing about DNA
D. man has much to learn about DNA

[单项选择]

During recent years we have heard much about "race": how this race does certain things and that race believes certain things and so on. Yet, the (21) phenomenon of race consists of a few surface indications.
We judge race usually (22) the coloring of the skin: a white race, a brown race, a yellow race and a black race. But (23) you were to remove the skin you could not (24) anything about the race to which the individual belonged. There is (25) in physical structure, the brain or the internal organs to (26) a difference.
There are four types of blood. (27) types are found in every race, and no type is distinct to any race. Human brains are the (28) . No scientists could examine a brain and tell you the race to which the individual belonged. Brains will (29) in size, but this occurs within every race. (30) does size have anything to do with intelligence. The largest brain (31) ex
A. display
B. indicate
C. demonstrate
D. appear