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问题 选择题

下列反应中，既属于化合反应又属于氧化反应的是（　　）

A．C2H5OH+3O2

 点燃 
.
 
2CO2+3H2O

B．4P+5O2

 点燃 
.
 
2P2O5

C．NH4HCO3

  △  
.
 
NH3+CO2+H2O

D．2C2H2+5O2

 点燃 
.
 
4CO2+2H2O

答案

答案：B

单项选择题

杜某和钟某1997年合伙开饭店，因经营有方，饭店生意兴隆，1998年5月，钟某的妻弟李某要求入伙，以下表述不正确的是( )。

A．若杜某不同意李某入伙而钟某同意，则李某不能入伙
B．若杜某和钟某都同意李某入伙，但在入伙协议中约定李某不执行合伙事务并不能自营饭店
C．若李某入伙后，饭店经营不善致合伙散伙，对于1998年5月以前合伙债务李某不负偿还之责
D．若李某入伙后，饭店经营不善致合伙散伙，对入伙之前债务李某与杜某、钟某负连带责任，但有权就其承担数额向杜某、钟某追偿
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填空题

Press Photographers


Good press photographers must have an "eye" for news, (26) journalists must have a "nose" for a good story. They must be able to interpret a story and decide rapidly how they can take (27) of the best opportunities to take pictures. The most difficult part of a press photographer’s job is that he or she has to be able to (28) a complicated situation with just one photograph. They rarely have second (29) and must be able to take the required (30) very quickly. Indeed, speed is essential — if the photographs are not (31) for the printing deadline, they are very unlikely to be of any (32) .
Most press photographers begin (33) with a local newspaper. There, the (34) is mostly for material of regional interest. Photographers may be expected to photograph a lot of unexciting events but to (35) the enthusiasm to put "something special" into every picture.
There is (36) competition among those who want to move from local to national newspapers. Here, the work is much more centered on news. The photographer must work (37) greater pressure and (38) more responsibility. Only (39) reliable, talented and resourceful photographers (40) this difficult move. The work is tough and can be (41) . On an overseas assignment, photographers may have to (42) unfamiliar food and accommodation, physical and mental stress, and (43) difficulty in transporting the pictures from an isolated area to get them to the newspaper (44) They also have to (45) the competition from other publications.

A. extreme B. plentiful C. far D. grand
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