[单项选择]In this Open letter Vladkhleb explains to the people of Vladivostok that ______.
A. they can no longer supply bread
B. the price of bread will treble
C. all reserves of bread-making ingredients have been depleted
D. it will have to close down

[单项选择]A possible solution to the crisis, Vladkhleb suggests is ______.

[单项选择]Vladkhleb is ______.
A. a farm
B. a bakery
C. a butchery
D. a motor company

[单项选择]One of the things Vladkhleb asks the local authorities is ______.
A. more workers
B. lower energy prices
C. money to buy fresh ingredients
D. the permission to buy flour in the US

[单项选择]Advertises often aim their campaigns at young people as they have considerable spending _____.
A. power
B. force
C. energy
D. ability

[单项选择]The author put forward suggestions to the old people except ______.

[单项选择]According to the passage, during the Carnival people in Rio did all of the following EXCEPT ______
A. dancing in the streets.
B. putting on colorful clothes
C. eating a lot of food.
D. holding exciting parades.

[单项选择]According to the passage, some tornadoes take people unaware because they


A. produce a sound similar to thunder.
B. cannot be seen until it is too late.
C. look so much like other clouds.
D. carry so many large pieces of debris.

[单项选择]Such a proposal must have been put forward by people with limited ______.
A. overview
B. overlook
C. outline
D. outlook

[单项选择]According to the text, which of the following people riding in the front does NOT have to wear a seat belt


A. Someone who is backing into a parking space.
B. Someone who is picking up the children from the local school.
C. Someone who is delivering invitation letters.
D. Someone who is under 14.

[单项选择]According to the United Nations，the number of people short of food fell from 920 million in1980 to 799 million 20 years later．


A. 根据联合国，1980年到2000年，粮食短缺人口从9.2亿到7.99亿下降。
B. 根据联合国，1980年到2000年，缺粮食的人口下降从9.2亿到7.99亿。
C. 根据联合国统计，1980年，粮食短缺人口为9.2亿，而到2000年已降至7.99亿。
D. 根据联合国统计，1980年到2000年，缺粮食的人口下降从9.2亿到7.99亿。

[单项选择]A daily dose of aspirin can prevent cancer in people with a genetic disorder that increases their risk of developing the disease, scientists said on Monday.
The finding could also have important implications for the wider population, although more research is needed and unraveling the connection will take some time since the benefits of aspirin were only seen after several years.
John Burn of the Institute of Human Genetics at Newcastle University in Britain said his study might also have uncovered a simple way of controlling stems cells that make tumors grow.
"We believe that aspirin may have an effect on the survival of aberrant (异常的) stem cells in the colon," Burn said, presenting his findings at the ECCO-ESMO European cancer congress in Berlin.
Burn and colleagues tested 1,071 people with Lynch syndrome (林奇综合症) — an inherited condition that predisposes a person to a range of cancers, particularly of the colon — by giving some of them aspirin and some a placebo (
A. Aspirin may offer a simple way to control stems cells that make tumors grow.
B. Aspirin may influence the survival of aberrant stem cells in the colon.
C. Aspirin may damage faulty stem cells before their mutation.
D. Aspirin may reduce the risk of developing colon cancer by blocking the COX-2.