1.   A literature search has to be made by the learner, who then makes an assessment of the particular problem.

2.   A particular problem requiring resolution concerns the status given to scientific names for plants and animals.

3.   As far as we can tell, the use of antibiotics in agriculture has not directly caused these particular problems.

4.   As we know, students in London have particular problems because of the high cost of accommodation.

5.   At a time of economic recession and high interest rates this is a particular problem.

6.   Beardshaw and Morgan note the particular problem which letting for the holiday season creates in this popular resort area.

7.   Because knowledge is distributed, the system uses many connections to retrieve solutions to particular problems.

8.   Boarding and rummage of a merchant vessel presents no particular problem to us.

9.   Britain has a particular problem because of dense population.

a. + problem >>共 705
serious 4.46%
economic 3.74%
major 3.48%
financial 2.66%
biggest 2.34%
technical 1.95%
only 1.92%
big 1.91%
potential 1.91%
real 1.87%
particular 0.64%
particular + n. >>共 1137
concern 2.72%
interest 2.55%
attention 2.13%
problem 2.10%
case 1.41%
group 1.16%
time 1.03%
area 1.01%
type 0.98%
issue 0.90%
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